But a neglected throttle body can get incredibly filthy. I'm having high idle speeds after installing a new throttle body. It did throw a high idle p0507 (idle control excessively high) but after doing the relearn procedure probably 10 times that code was cleared and stays off. another update i just drove like 30 miles when i came back idle was back up to 2 grand. If after 100~150 miles you continue to deal with surging, then start thinking about vacuum leaks and tps sensor. checked an old thread on this but just wanted to Jul 6, 2012 · 05' colorado 3. After the 3 minute run time the engine should be idling normal. It about three weeks ago after doing the valve cover gasket job and cleaning the throttle body and IAC valve. I replaced the throttle body as I was getting codes saying it was faulty. I just took my throttle body assembly off to clean it. Any amount of grime on there can hinder performance or throttle response. First here are some things you may experience with a dirty Throttle Body. i dont have a tac in Nov 11, 2019 · If your Chevy HHR has a faulty throttle body, it can cause it to run terribly. Start and idle the engine in PARK for 3 minutes. I did screw up my tb by either taking it off with the key in the ignition, moving the flap one too many times or just spraying the hell out of it with tb cleaner and not spraying a rag and wiping. I decided to clean the throttle body to see if this would possibly go away. 00. Nov 6, 2013 · Hi all, I cleaned the TB on my 4. Feb 17, 2022 · Hey, I cleaned my throttle body and didn’t read anything before. Once you inspect the fuse box, if the corrosion is internal then the fuse box will need to be replaced and the source of the water leak causing the corrosion found and repaired to prevent a further occurrence. This is because modern vehicles often require the engine control unit (ECU) to relearn the throttle body settings to ensure optimal performance. However the second you touch the throttle it will not return back to idle, it will stay at about 1500 rpm. 2013 Silverado 1500 LT, Z71, 5. move shifter to drive and goes to normal rpms. Now at start-up, the rpm's jump to almost 2K and then drops to 1100. What most people do is drive it, sometimes up to 100 miles before the truck relearns the throttle position. Your HHR's throttle body controls the amount of air that enters the engine. Jan 30, 2024 · While it’s usually a straightforward job, cleaning your car’s throttle body can result in some problems if you make any mistakes. 5. 0L gas Feb 2, 2007 · Throttle Learn Description The engine control module (ECM) learns the idle position of the throttle plate to ensure the correct idle. During these run periods you may see a check engine light. February 22, 2013 at 7:56PM I suspect the high idle speed after removing and cleaning the throttle body is due to a vacuum Jun 10, 2012 · Never ever move an electronic throttle body by hand. Mar 28, 2019 · Idle Relearn (aka throttle body relearn) is the procedure that is required to obtain the correct idle speed after replacing electronic throttle body, disconnecting a battery cable, clearing a check engine light, etc. Need some advice truck is a 2004 gmc sierra 2500hd with a 6. I would also grab a multi meter and check the CTS and the TPS Feb 19, 2008 · 1987 - 1996 F150 & Larger F-Series Trucks - High idle after cleaning throttle body? - Hello FTE ! have a question, found a few leaking vacuumm lines and fixed those as well as cleaned throttle body with some throttle plate cleanerthe stumble is gone out of my idle, but my idle seems higher now. Jan 16, 2021 · Common issue. i have since tried the GM idle relearn multiple times, i have reflashed the ecm, i have replaced the throttle body, and just today i put new MAP and MAF sensors. com May 2, 2013 · After the cool of from yesterday its back to normal. After replacing a throttle body, your next steps should typically involve resetting the throttle body (relearning the idle speed) and possibly reprogramming it. My 2005 might be different but I had rough idle problems and after cleaning the throttle body I also cleaned the Mass Airflow Filter (MAF). It’s a little bit puzzling when your car’s engine idles higher than it should after getting a new throttle body. So I figured a quick throttle body clean might clear out some gunk and help the idle issue. Performing a throttle relearn on GM throttle-by-wire vehicles can easily be done with the Mac Tools Mentor Touch Scout, No. Jan 16, 2019 · If the old one works fine after a cleaning, there was definitely something wrong with the new throttle body. Mechanic's Assistant: Are you fixing your Cobalt yourself? What have you tried so far? May 15, 2008 · I cleaned the throttle body and now have fast idle and CEL code P0505 "idle control system malfunction". I know mine did. Got it shiny clean. 5L I5 and just cleaned the throttle body. This can cause an increase in the engine’s idle speed. Try doing the following which should bring the idle back down to a normal operating level: 1) Start the engine and let it idle in park for 3 minutes. 4. Nov 15, 2012 · Does sound like a dirty throttle body. Locate the throttle body. Nov 11, 2019 · If your Chevy Avalanche has a faulty throttle body, it can cause it to run terribly. After I reinstalled it I let it idle for 10 minutes and it never dropped from below 850rpm and thats where it has been. May 10, 2020 · Start and idle the engine in Park for 3 minutes. This is because the buildup on the throttle body previously provided additional friction or resistance, which helped the engine idle more smoothly. Dec 28, 2017 · 1. First, ensure that all suction hoses are securely attached and are not leaking. ) Aug 2, 2017 · Here lately I've noticed this sort of "miss/stumble" feeling at idle. Mar 12, 2024 · Before/after cleaning throttle body : r/f1502016 chevy malibu throttle body throttle body clean cleaning cleaner 9 ways to fix high idle after cleaning throttle bodyDoes cleaning throttle body make a difference? May 24, 2009 · This problem is perfectly normal after cleaning/replacing the throttle body. The How-To Guide here is great! Put it back together, it was revving very high May 11, 2012 · Hello everyone. Resulting 2k RPM at idle solved by resetting ECU. May 8, 2007 · well i started to clean my throttle body today. I have had this occur with or without the AC being on. I took it off completely and cleaned it with throttle body cleaner. 2. High idle. I have installed the new one and experiencing high idle even after several attempts to "relearn" the new tps. It can throw off your calibration But best and easiest way to clean gm drive by wire throttle bodies is to turn the switch on where all your lights on the dash come on, get somebody or something and hold the accelerator on the floor; the throttle body will open up and clean up all the gunk while its open and i clean mine with a Feb 5, 2023 · There are a few possible causes of high idle after cleaning throttle body with some corresponding remedies. 3L. I removed the negative battery cable, and then cleaned the MAF with CRC MAF cleaner (didn't touch it, just sprayed through tube connected to air filter so I wouldnt have to unbolt the MAF). By PAUL BRAND, Wire services. i didnt take it completly out of the because of the coolant hoses connected and didnt wanna make a mess. Over time as your throttle body collects carbon the air volume which passes through it changes very slightly. Sep 13, 2012 · Please Help and Shed some insight. Troubleshooting a High Idle Issue: If you are experiencing high idle after cleaning your throttle body then there are several steps that you can take in order to troubleshoot this issue correctly. Few minutes later the engine light pops back on still showing the P0014 & 13 codes as well as a P0340. Is there anything I’m missing? I just bought this car I have been watching the live data. If the hoses are in excellent condition, inspect the throttle body for buildup or debris that might be triggering the issue. If there’s a problem with the throttle body itself, you might be able to clean it versus replacing it. 2005 Toyota Highlander. This fast idle aslo causes the temperature to rise above half. 3L, 6L80e, 4X4, HD Towing pkg If you can't fix it with a hammer, it is an electrical problem. 5l ffv just changed out my whole throttle body maybe an 1hr ago previously acceleration was sluggish was jerky, idle was bouncing between the 0 and lets say 850 rpms when at a stop and about 40 or 50rpms idling after warming up from cold start, when driving/acellerating rpms would jitter from 1-250k did the whole negative and positive terminals Jun 23, 2018 · Recently, the idle has been a bit rough and fuel economy has been a little pooer than normal. Customer: 2012 chevy Malibu 2. 4L 4cylinder after cleaning throttle body idle too high, how can fix? no rough only high rpm, 192000, Mechanic's Assistant chat Customer: 2011 Malibu 2. The car idles at about 3200 rpms. 3) Start the engine again and let it idle in park for 3 minutes one more time. Apr 11, 2017 · The problem is now that when I drive it, and let off the accelerator pedal, the engine does not settle down to an idle. This is usually caused by a dirty or faulty IAC valve. It builds up very slowly so you won't notice it happening. May 24, 2009 · This problem is perfectly normal after cleaning/replacing the throttle body. Jul 14, 2015 · Just cleaned out my throttle body now I'm experiencing an high idle, any ideas what this could be. Feb 18, 2012 · It's normal for the idle to be high after the battery terminal(s) have been removed. Gm said my tps was bad and that they can go bad from a gunked up throttle body. Now mine will idle high for the first time I start it up , after unplugging the battery for awhile. If that doesn't work, they can reset it at the dealer. I also cleaned the air intake sensor with mass air intake sensor cleaner. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. It's still idling high @ 1,200 RPMs. Mar 6, 2023 · Steps to Clean the Throttle Body. 4. But, it is extremely difficult to fully clean the idle air control valve without removing it from the throttle body. It's for a 2007 Tahoe Mechanic's Assistant: Are you fixing your Tahoe yourself? What have you tried so far? Customer: Yes Dec 6, 2020 · After adjusting the fast idle the rough downshift/lockup is gone completely, and is actually smoother than ever. Ignition OFF for 60 seconds. 192k miles. It has 186,000 miles and is a very good commuting vehicle. To do so, run at idle 3 minutes, key off 1 minute, run at idle for 3 minutes. Recently it was idling rough and I read that cleaning the thro… High Idle after cleaning throttle body on 06 Chevy Cobalt LS. 2-liter engine with a manual transmission. Sometimes the engine stalls when you stop at the traffic light. I work at GM none of the techs know what’s wrong. Jul 16, 2020 · About to bring it in for inspection and I figured I would try to fix it by cleaning the throttle body and MAF sensor. My car used to idle at 800 rpm, but now, when the engine is cold, it idles at about 1500 rpm, going down to 800 as the engine warms up. 3L 4x4 Z71 All Terrain Borla Touring cat back exhaust - Bilstein 5100's front level - Zone AAL - 20" GM replica wheels - Amp Research power steps - Custom Lewtune - SpecD HD grille - Sprint Booster V3 - Sealight LED's - Everstart Platinum AGM - Arrow Mark 1 cap with custom power locking rear glass - 20% tint - Eonon Q80Pro 8" Android headunit - Power folding tow mirrors - Custom May 15, 2019 · Nealinator's 5. After installing the new TB I performed the 3 minute idle, 1 minute rest, 3 minute idle relearn and it seemed to find its idle until I shifted into gear and then it Chevy silverado / Tahoe throttle body replace and relearn. On start, rpms jump to about 1800 and climb till I turn it off at 2700-3k rpm. Did the 3 min on, 60second off cycles, 4 times, took it for a drive for 30 minutes at above 45mph. 3 and I ended up replacing the TPS sensor, cleaning the throttle body and cleaning the MAF. Installed new position sensor. Dec 1, 2022 · Please 👍 & Subscribe more video will post 5 times a week. The relearn procedures are not working to fix it yet Mechanic's Assistant: How many miles are on the Chevy? What size is the engine? Customer: 185k. I just cleaned my throttle body, and took it for a test drive. Happened every time I hit the clutch or came to a stop. had some nice carbon build Jan 28, 2014 · You've probably not tightened things up well enough with your air plumbing between the MAF and the throttle body after cleaning the throttle body. So I, being the ever adventurous backyard mechanic that I am, decided I'll just spray some throttle body cleaner on a clean rag and wipe it out. i am a apprentice at GM and none of the Feb 19, 2022 · I cleaned my throttle body, long story short it started idling high (2500rpms high) it starts normally. Over time, the ECM will adjust the action of the TB due to build-up on the butterfly and/or throat. My guess is the computer was learning a new throttle position for Dec 20, 2022 · When the idle control valve fails or starts having issues, it will affect the idle speed as well. god knows what else may happen with this tb with Aug 4, 2019 · After cleaning the throttle body you have to initiate and idle learn with a scanner or they will run at 3k and shift like shit. Therefore, it’s crucial to reset the ECU after cleaning the throttle body to fix high idle. Dealer wanted to charge me $593. P0122 - (TP) sensor 1 circuit low voltage How do you fix high idle after cleaning the throttle body? High idle fixes up automatically most of the time after some days of cleaning. Conditions for Running the Throttle Learn Procedure Dec 13, 2018 · Yes, cleaning the throttle body can sometimes trigger P0507 in a Chevy Silverado if the cleaning process disturbs deposits or dirt within the throttle body. Customer: my 2008 Silverado is idling high after cleaning the throttle body so I changed the tps and now it idles high . Jan 18, 2016 · The idle air control valve will be partially cleaned when cleaning the throttle body. High idling after cleaning the throttle body could be caused by any of the factors below: The computer is yet to reset the idle after cleaning the throttle body motor assembly. The reason is that as you drove the vehicle and dirt and carbon built up the engine kept opening the throttle a bit all the time to compensate for the blockage and keep the idle at the factory level. Performed said maintenance and cold, will idle 2000 rpm's, settling down to 1100 rpm when warm. 10. 3L, select and run the Idle Learn Reset test. Nov 12, 2017 · As you may know, after cleaning or replacing the throttle body your car needs to go through a "re-learning" process to bring the idle back down. Jan 10, 2013 · There is a throttle relearn procedure and it’s supposed to be done before giving it any gas above idle. 3L 4x4 Z71 All Terrain Borla Touring cat back exhaust - Bilstein 5100's front level - Zone AAL - 20" GM replica wheels - Amp Research power steps - Custom Lewtune - SpecD HD grille - Sprint Booster V3 - Sealight LED's - Everstart Platinum AGM - Arrow Mark 1 cap with custom power locking rear glass - 20% tint - Eonon Q80Pro 8" Android headunit - Power folding tow mirrors - Custom Dec 12, 2016 · The final mechanical component that might be causing an engine idle speed to be higher than it should is the throttle body or throttle control sensor. I saw the article on how to remove and clean one, but i also saw some other methods that suggest it wont have to be removed. Normally, you can clean the throttle body without removing it. 2007 and up is what I'm referring to. The ECM will start to learn the new idle cells and Desired RPM should start to decrease. wanted to clean the IAC sensor but the torx bolt was old and i stripped the thread so i said o well. Wait 10 seconds with the ignition switch off and repeat the procedure once #throttlereset #snapon #howto #highidle #gmc #silverado #chevroletDescription: In this video i show you how to lower the rpms on a Chevrolet vehicle using a Throttle body/high idle 4 Answers. Nov 8, 2019 · Thought I was doing myself and my car a favor by cleaning the throttle body but here I am with a whole new set of problems. I had that code on my '08 5. After I replaced the water pump I cleaned the throttle body and after I was done I noticed the truck would idle a bit over 1000 rpm and it even makes the truck accelerate a small bit when I take my foot off the brake. Oct 21, 2022 · Another common problem after cleaning the throttle body is a high idle. However, proper cleaning of the throttle body is essential for optimal performance and may resolve the issue if it was caused by Oct 30, 2020 · Cleaned up with a rag and little amount of throttle body cleaner on rag. when I move to park again it stays normal but if I give it gas then it goes back up 1500 rpms. Dec 13, 2018 · Yes, cleaning the throttle body can sometimes trigger P0507 in a Chevy Equinox if the cleaning process disturbs deposits or dirt within the throttle body. This could explain the wild revving and Mar 20, 2011 · ya but i had the throttle body off the car and unplugged while cleaning it so the battery disconnect is bs since the damn thing wasn't even plugged in while i was moving it. After I'm done I tried the idle learn by disconnect battery for 10 mins and then key on for 2 seconds and 3000rpms till fan comes on then idle for 5 mins. As you probably know it’s idling around 2300rpms. The truck was Idling at ~650 RPM before, now it idles at 700RPM while in gear, and keeps jumping from 700 to 800 RPM while in park. Many car makers including GM started installing fly-by-wire electronic throttle bodies. You control the throttle body position with For yours, it REQUIRES the use of a scan tool with programming capabilities to do the idle learn. Tried resetting ECU by leaving battery disconnected and running w/o the TPS (Throttle motor thingy that moves the butterfly valve). Gave everything plenty of time to dry before putting everything back on. Here are some general steps you could follow. 2 ecotech. First, check for any vacuum leaks in your intake manifold by using soapy water on all connections and hoses connected to it while running the engine Condition/Concern: As carbon builds up in the throttle body, the ECM/PCM learns to compensate for it, so it can control the throttle plate accordingly. 2 LT has been shaking and stalling when in idle. On most domestic and foreign cars, trucks, and SUVs, the throttle body is located on top of the engine, directly on top of the fuel injection manifold. Oct 11, 2010 · Reset Procedure (Performed after the throttle body is cleaned or replaced) Ignition ON, engine OFF, perform the Idle Learn Reset in Module Setup with a scan tool. After reading multiple forums, I decided to try cleaning the throttle body. also did a head and intake gasket a while ago on the car. The complete picture is made up of several parts. removed the throttle body, soaked it in throttle body cleaner (not choke and throttle cleaner, dedicated DBW throttle body cleaner) and let it soak, wiped it with rag, soaked it again, scrub lightly with plastic wire brush (basically the 2011 Malibu 2. @Auto Repair Procedures If you have question regarding about your vehicle repair/or technician ha Nov 11, 2021 · DIY Repair for High Idle RPM after Cleaning your Throttle Body Sep 8, 2010 · OK, apparently i made a rookie mistake while cleaning my throttle body today, first off DAMN this thing was dirty, second off i was impressed with how much i got back from doing it. Sep 28, 2015 · After I had been getting a cel for p0121 , I decided I would take off the throttle body and clean too see if the would stop the cel from coming on and off all the time. If the throttle body is cleaned or replaced for another concern, such as a P0121 DTC, without performing a Tech 2 idle learn reset, a high idle and/or P0507 DTC may be induced. I cleaned my throttle body with a carb cleaner about 5000 miles ago. I've tried clearing the ECM, the relearn procedure and nothing works. I've searched on here and most ppl suggest just to drive it. bought a used tb of ebay and now its working fine. So I remove it carefully and clean the sensor with some throttle body cleaner from CRC and I also clean the MAF with the CRC at the same time. Here’s how you can do it: Perform Throttle Body Relearn Procedure: Start the engine and let it idle in park for three minutes I am going to go drive it right now for about 15-30 minutes and see if the idle adjusts itself. You control the throttle body position with Jul 29, 2010 · Hey guys, I have an idle issue also. But I cleaned the throttle body out with some carb cleaner earlier and right after that it was running alot higher rpm at idle. 2L LS3 V8/6-Speed Manual 2017 Chevy Cruze Hatchback • 1. Car has an high idle when driving and after driving the car is pretty loud as well as the fan. No vacuum leaks. The issue that originally haunted me was a slight surge of the idle after having reached operating temperature. Dec 6, 2014 · Here is the cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any Feb 27, 2022 · Check out my social media!!!!!Here is a new video from the first video i did and had a really annoying music i learned from my mistakes and recreated this ne Apr 28, 2007 · I cleaned my throttle body today. Looked around and saw that cleaning the throttle body might help. I would recommend cleaning the TB with the engine off and simply leaving the TB in place and wiping with a "cleaner" soaked rag. Jul 18, 2024 · I don't see any physical damage to the throttle body or butterfly, and I assumed that if the TPS was damaged it would throw some sort of code. Dec 4, 2016 · If you moved the butterfly when cleaning it, the ECM needs time to relearn a little. The two check engine lights are P0122 P0223 tl;dr: Car idles high after TB cleaning. Purchased part and did it myself. 11. May 20, 2015 · I used a shop towel soaked in throttle body cleaner and wiped out all the carbon trying not to touch the throttle plate. Customer: After cleaning the throttle body of a 2008 HHR, it now idles high and occasionally triggers the P0507 (idle high) code. I have 1000 rpms at idle in gear, but when driving, the idle doesn't drop back down right away when I let off the gas. Remounting the Idle Nov 5, 2012 · I have an '06 automatic 3. It had about a 1/4 inch of gunk underneath the butterfly. 3L because of a P0121 DTC code. 4L 4cylinder after cleaning throttle body idle too high , how can fix? Dec 23, 2013 · Plan on cleaning the throttle body with some croc TB cleaner and the MAF sensor with sensor cleaner. But after the next start it might go back down to 700rpm. High rpms, rough idle and shifting, 3 different codes including a lean code. I have got the ECM reflashed, I got a new throttle body, I’ve done the idle relearn a hundreds times. Dec 7, 2011 · Sounds like a dumb question I know. Fluctuating Idle after cleaning Throttle Body. What's going on here? Aug 13, 2010 · had the same issue after cleaning my TB. However after replacing parts, my car initially was clear of the codes. However, I did not have any signs of rough idle or anything, but just as a precaution I did clean it. May 21, 2014 · The only way to get it cleaned properly is to remove it and clean the back side and mating edges. Oct 8, 2012 · Often times idle problems with this type of electronic throttle body are caused by carbon buildup around the throttle plate, in the bore of the throttle body. When placed into drive or reverse, the rpm's don't drop but stay at 1k. Let the area dry for at least 30 minutes. and doesn't drive too smooth. If the engine idle speed has not been learned the vehicle will need to be driven at speeds above 70 km/h (44 mph) with several decelerations and extended idles. Apr 10, 2021 · After I did, the car's idle revs up to about 3k RPM unless you have the car in reverse/drive to force the engine to come back down. i shut it off and settled it back down didnt take much to do it but i am now going to let it idle at its normal 750 800 rpm range for Feb 18, 2013 · The engine control module (ECM) learns the idle position of the throttle plate to ensure the correct idle. Nov 27, 2016 · During the course of this week, I tried the throttle position learning procedure (idle 3min, off 1min, idle 3min) several times to no avail. Saw online videos reference to the computer relearning position sensor data. The car now idles perfectly. The cause of this fault code can be a dirty throttle body, a misadjusted or damaged electric throttle control actuator, a faulty electric throttle control actuator, an intake air leak, or a poor electrical connection to the Intake Air Control (IAC) valve. However, proper cleaning of the throttle body is essential for optimal performance and may resolve the issue if it was caused by Apr 11, 2018 · If you let it build up and then clean it, the butterfly changes it's idle position and hence you need to relearn it. Went to start it back up, and it hesitated for just a second then tur Jun 25, 2019 · When I went to do the replacement I realized I never reconnected my MAF sensor since I replaced the throttle body. Aug 13, 2014 · Hey all, i have been experiencing very low idle and stalling at low speeds. You need to do an idle reset first to eliminate that as a variable. Jan 23, 2012 · 96 GMC k1500 Suburban with a 350. The ECU will adjust itself back to the original idle (usually about 750rpm) after a bit of driving. 2013 Chevy Truck Tahoe V8-5. 3 and ever since then the idle has been jacked up. How Do I Reset the High/low Idle on a Chevrolet Tahoe or Silverado After Throttle Body Replacement or Cleaning? After your Chevy’s throttle body replacement or cleaning, it’s essential to reset the high/low idle. Idles fine until you press the throttle then it will stay at 2500rpms. I removed my throttle body yesterday to give it a good cleaning with Valvoline Heavy Duty Carb & Throttle Body cleaner. This slight change in air volume is registered by the ECU and the ECU will auto-correct itself over time so that the driver notices no difference in idling or Apr 18, 2012 · Was running great, I decided might be a good Idea to clean the MAF sensor and Throttle Body. The temperature is normally a few clicks below half. 3 liter V6 Toyota 3MZ FE engine. I didn’t allow enough time to let the ECU readjust for the newly cleaned After ensuring that the throttle body bore and plate are clean, perform an "idle learn reset/ idle learn" with the Tech 2 and re-evaluate the concern. This isn’t a strange occurrence as the idle would be high for a while before the computer relearns the idle. 3,200rpm. Feb 12, 2023 · Repair air intake leak (after the throttle body) – $125 to $300; Replace positive crankcase ventilation (PCV) valve – $150 to $400; Clean throttle body – $50 to $200; Replace throttle body – $500 to $1,200; Replace idle air controller (IAC) – $125 to $650; Repair damaged connection or wire – $50 to $550; A Mechanic’s Tips About Why did cleaning the throttle body cause a high idle? Cleaning the throttle body can sometimes cause a high idle because the ECM may need to relearn the new position of the throttle plate. 2017 Chevy SS Sedan • 6. for now. The TB Idle Airflow Compensation value should equal 0 percent and the engine should be idling at a normal idle Aug 3, 2017 · Idle surging, isn't uncommon, after cleaning throttle body. Notice: Depending on the vehicle you are working on, the "idle learn reset/ idle learn" is normally found on the Tech 2 ECM menu for Module Set Up or Special Functions/TAC System. Dec 6, 2009 · Only recent change is a Fuel filter 1 week ago (lost ~1MPG, which is why I was cleaning the Throttle body today). Aug 20, 2009 · The Service Engine Light does NOT come on, although it did when I unplugged the Throttle Position Sensor, but the light went back out when I disconnected the battery). 6. Your Avalanche's throttle body controls the amount of air that enters the engine. I'm new to fixing my own car but if necessary I will pay for the more difficult issues. And when I first drove it, it acted a bit erratic with shifting and Feb 3, 2019 · During that period the idle may be higher idle than normal. Your throttle body may be in need of a rebuild. Jul 16, 2014 · After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn. By turning the car on and off for a couple of days should fix the problem. The symptoms are, idle is too low, too high, or erratic. Nov 29, 2023 · High idle after cleaning throttle bodyDon't clean throttle body before watching this/cleaning cable Problems after cleaning throttle bodyProblems after cleaning throttle body : 7 common issues & fixes. . It settles back down to an idle when I come to a complete stop, but only after I stop does it idle back down to a normal idle. Dec 2, 2014 · I recently replaced the water pump on my 2000 Silverado and while doing so I noticed the throttle body was full of gunk and carbon. There nothing out of the ordinary. There is a significant vacuum leak that began when I cleaned the throttle body which is the root cause of the high idle. Any tips or tricks? Will I screw the TB butterfly up if I completely remove the TB because my buddy says it may need to be reprogrammed after I remove it. Cleaned my throttle body today along with spark plug change. Jan 14, 2021 · My Chevrolet Cobalt 2010 2. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Nov 1, 2020 · hi im having the same issue, 2010 impala lt 3. There was some oil/black "soot" on throttle body. No cracked or loose hoses- everything clean and tight. This can result in symptoms such as high idle speed or fluctuating idle. Jan 17, 2012 · So after research about the TPS sensor i found a dirty throttle body could cause this condition because of the drive by wire and the sensor being dirty. I replaced the throttle body gasket on the intake too. WOW was the throttle body gunked up! Hard to believe it even was opening In any case I had to move the valve by hand quite a bit to get it clean. Mar 10, 2012 · Procedure 4 Throttle/Idle Learn Description The engine control module (ECM) learns the idle position of the throttle plate to ensure the cor- rect idle. Anytime the throttle body is cleaned or replaced, the ECM must learn the new throttle position. Before I performed this maintenance truck seemed to running fine, with warmed up idle around 750-800rpms. 9 did something similar - after cleaning the throttle body it would idle fast -- about 2k -- for about 6 seconds before slowing down to 800 or so. thirdwell, it climbs in neutral occasionally and has a rather high idle (was able to not touch the pedal and cruise at 35mph lol) so my question to ya'll is, wtf do i do? just unplug the battery for a few minutes? Jun 21, 2015 · If you’ve replaced your GM electronic throttle body or you’ve disconnected the battery, you must do a GM throttle body relearn to establish a new baseline idle. After the drive cycle, the engine should be idling normally. After I put everything back, the idle was high 2000+, then stays at 1300 to 1400 range I drove about 10 miles and it is still the same. For example, to perform a throttle relearn on a 2008 Silverado 5. When you clean it, it doesn't know that so it will move the throttle to the learned position. When I first start the car it will take a moment to return to a correct Idle, around 800 rpm. I’ve read that after cleaning it, your truck can idle high and it’ll just take some time/driving for it to go back to normal idling. -----So i decided to clean my throttle body on my 07 civic si coupe(wi Dec 17, 2022 · removed the throttle body to clean it due to a rough idle after all other tune up items completed. Scan for codes and if you get throttle body related codes, clear them. This slight change in air volume is registered by the ECU and the ECU will auto-correct itself over time so that the driver notices no difference in idling or Feb 25, 2022 · after i cleaned my throttle body and MAP sensor the car was idling high at 2300rpms. May 8, 2013 · I normally do this every spring to keep it clean. On the gen 3 engines, and I'm assuming gm did something similar with your 07, the trucks will be in idle mode until the speed hits 3 mph, and go back into idle mode when the speed drops to 2 mph. May 11, 2022 · Use the cleaner and a towel or rag to clean the outside of the throttle body and the inside of the idle air control valve passages. Jun 2, 2022 · After cleaning it, he hooked up his computer and had to go to a specific property and manually set it to zero. Don't mess around with it, just run it up to the dealer or a competent shop and have the idle learn button pushed. How To Relearn An Electronic Throttle Body? After you fully release the accelerator pedal, turn on the ignition switch but wait at least two seconds before starting the engine. Things I have considered: 1. Mar 20, 2024 · Throttle expert idling dirty Throttle body and intake cleaning 2016 chevy malibu throttle body throttle body clean cleaning cleaner Throttle body cleaning maf filter Nov 23, 2014 · cleaned throttle body with throttle body cleaner, now cars rpm up to 1500 on park. However, if the problem is persistent, you might have done something wrong while cleaning the throttle body. However, I feel like my truck is idling crazy high right now. I took off my throttle body and cleaned it with carb cleaner. ET6100. high idle (1600 rpm's) and had to go to the dealership to get my PCM diagnosed and reprogrammed ($218). It’s still idling high but better if that makes sense. Customer: I have a 2011 Chevy Malibu 2. I have done the idle relearn, reflashed my ECM, put a new throttle position sensor, a new throttle body. Went fine until that second 3 minute run. Apr 13, 2010 · Have you checked the IAC? If it isnt functioning properly, it will let the engine idle high. The IAC valve controls the amount of air that flows into the engine when the car is idling. Throttle Learn Scan Tool Idle Learn or Idle Learn Reset Procedure – Performed after the throttle body is cleaned or replaced Mar 3, 2013 · I have a 2006 Chevy Cobalt LS, 2. To take care of this, you will have to relearn the system. Happened to me last time I fiddled with my throttle body. So the throttle was acting as if it was getting stuck right around the 2000 RPM mark here and there. The most common issues car owners experience after cleaning the throttle body are a high idle and the check engine light turning on. Dec 12, 2023 · How to reset high/low idle on Chevrolet Tahoe, Silverado after Throttle body replacement or cleaningHere is a new video from the first video i did and had a Oct 14, 2022 · Not uncommon. See full list on cartipsdaily. Let’s take a brief, straightforward look at the typical reasons for this high idle issue: 1. Reason for doing this was a rough idle on a cold start with CES light flashing and service stabilitak warning. 3. If you press on the gas in park/neutral, the engine goes right back up to high idle. it does not have a vacuum leak. I had to turn the tps to line up with the blade on the throttle plate could this have something to do with the high idle Mechanic's Assistant: Has the vehicle been scanned for trouble codes? Jan 31, 2022 · You need to get a throttle reset done, some scan tool will be able to do it, some won't. It is usually between the air filter and intake manifold. In fact, this is such a common problem with this particular vehicle that Ford released technical service bulletin (TSB) #12-7-4 to address the RPM fluctuation and hard start symptoms and Nov 3, 2006 · I finally cleaned out my throttle body after some 90k miles of driving, which was easy enough to do. I recommend to remove the idle air control valve from the throttle body, clean it, and also clean the throttle plate. 4T/6-Speed Automatic Mar 13, 2014 · By the time she got it home and it sat for 2-3 minutes I fired it up and it ran fine but I did pull the P2135 code which my research overwhelmingly led me to a new throttle body. - Poor Throttle Response - Decrease in MPG - Rough or inconsistent idle Feb 19, 2018 · Nealinator's 5. Even coming to a stop you can feel the truck still pushing when slowing down because its idling at 1100 rpm when braking. It got better and better until after about a week it was back to normal. Oct 18, 2015 · I now have a too high idle speed problem (1100 rpm fully warm, approx 1900 rpm cold) since I cleaned the throttle body w/ the usual TB aerosol cleaner. I also cleaned my throttle body with CRC throttle body cleaner. Feb 22, 2013 · Chevy Cobalt is stuck on high idle. But when you clean it all at once is when the problem occurs. It will take a while now but it should, should, settle down after a few miles of all types of driving but be careful and stay back from cars in front of you or plan to brake earlier than normal. code p0690 came up but now has disappeared but still have rpm problem. Mechanic's Assistant: How many miles are on the Chevrolet? What size is the engine? 200,000 2. When this happens, the throttle body gets high. The PCM will reset after several drive cycles however to get good idle immediately you must reset the learned parameters of the dirty throttle body that are logged in the PCM. When I started the truck up after, it idled way high for a little bit. Have a second person or something to depress the gas pedal. 5 I5 Throttle Body cleaning This morning I did the sea foam injection cleaning and the throttle body removal and scrubbing and the results were wonderful! Clean smooth idle and the rpm's went back to around 700-750, no shudder no shake no miss and no more check engine light, thank all of you for the info. In other words, the motor is wanting to still pull, like its at a high idle. I then found a vacuum line connection that runs from the rubber plenum to the back of the intake manifold that was completely disconnected at the manifold. But afterwards, the engine idled higher; it was 600-700rpm before but now it's more like 950-1000rpm. Decided to clean the throttle body as part of a tune up including plugs and fuel filter. Mar 24, 2021 · I have an 07 chevy cobalt I just removed throttle body to clean I got it clean then put it back on the car now it idles to high. Codes P0121 - throttle position (TP) sensor 1 performance. The idle may be unstable or a DTC may set if the throttle position is not learned. Since the throttle plate moves by a motor, in order to keep it open, I turned the key to ON and held the gas pedal down by using some weight. But do not open it by hand. Turn the key to run and work the pedal inside. Removed throttle body and cleaned. With a scan tool, monitor desired and actual RPM. Happened twice over a month. Nov 25, 2011 · my 2. Took the air intake off, sprayed a few sprays of brake cleaner and went to town on the inside of the throttle body even took an old toothbrush to it. I couldnt find any vac leaks but after I rebuilt my throttle body and put a new gasket under it, the raised idle went away. Nov 21, 2008 · well to update this thread for anyone who has cleaned their throttle body the wrong way. It normally runs about 900 or so RPMs at idle because it's timed up but what could make it idle at 1300 RPMs? Didnt happen till after cleaning the throttle body. They said just clean it once a year by spraying throttle body cleaner on a shop rag and wipe it clean with it still attached and be gentle on the blade. Start the engine and monitor the TB Idle Airflow Compensation parameter. Removed TB and MAF and cleaned while replacing air filter. it will idle normally at start up or if you use the clutch to lower the rpms. Oct 14, 2023 · so I took the throttle body off this morning and replaced the throttle position sensor and cleaned the throttle body thoroughly. It'll be a little embarrassing for a while but the rpms will even out. Removed and cleaned throttle body. Usually, when one cleans the throttle body, more air is allowed into the engine, and the computer compensates by adding fuel. This could take anywhere from a day to a week. (The only thing learned was by me: if the auto up/down on your window stops working, hold the button down about 5s after it reaches the bottom then hold it up and keep it up 5s after it reaches the top. I repeatedly tried the manual 'idle reset procedure' avail online with no luck and quess I will have to take it to the dealership service department for the Consult II reset. By moving the throttle plates by hand you can severely damage the throttle body motor that controls the plates. Throttle reset or throttle relearn that is. I cleaned the TB by following the Jul 16, 2017 · So this weekend I decided to clean my MAF and throttle body (2005 X). so i just unplugged the sensors and everything else and used a rag and choke cleaner to clean the throttle body. 2006 Chevy HHR I clean the throttle body now is idle high how do I relearn throttle body By chatting and providing personal info, you understand Nov 15, 2013 · I just replaced my throttle body and gasket in my 2008 Chevy Impala SS 5. Nov 6, 2023 · Common Causes Of High Idle After Replacing Throttle Body In A Car. 4l ecotec. Removed the throttle body without issue following a video tutorial. Took throttle body off to clean, put back on. Will it relearn the new idle with the P0507 code active? This post will have timed out and closed by then. naowp vkwpj yhhk ewe otlgn qps erydr guf qywfst urabf