Check engine light after cleaning throttle body. Simple tools, clear instructions, and safety tips included.

Check engine light after cleaning throttle body Feb 21, 2023 · Symptoms of a dirty throttle body include grime build-up, poor fuel economy, poor or high idle, uneven or slow acceleration, electrical problems, airflow disruptions, and the check engine light illuminating. I understand Jul 7, 2019 · The check engine light also has not returned so for the moment, the cleaning seems to have cleared the P0505 code. Oct 7, 2016 · A throttle body needs cleaning when the engine idle is rough, the engine stumbles through acceleration, or the Check Engine Light comes on. Aug 15, 2024 · The Ultimate Guide to Toyota Throttle Body Relearn Procedures If your Toyota is experiencing rough idling, stalling, or poor acceleration after replacing the battery or cleaning the throttle body, you may need to perform a throttle body relearn procedure. 9K views 19 replies 3 participants last post by jn2k108 Feb 23, 2024 Mar 22, 2025 · The throttle body is a key component of a car's fuel/air delivery system, but carbon deposits and other debris can clog up its passages and moving parts. After taking for a good drive with a few WOT accelerations, (up to your legal speed limit of course) the vehicle should clear the bulk cleaner/oil residue out. Aug 30, 2024 · How to reset your car's throttle body using an OBD2 scanner, the key features to look for, and simple steps to follow for optimal engine performance. 4L 4x4 xlt. <> Jun 11, 2016 · General F150 Discussion - Check engine light after cleaning throttle body - Bought used 2009 5. Btw, which OBD2 model did you use to check the code? Planning to buy a new unit for my FN2. The component is small in size but very vital in the overall running of the engine and car. Aug 5, 2024 · Have you ever noticed your car hesitating when you press the gas pedal? Perhaps your engine idles roughly, or your RPMs remain high after coming to a stop. Remove the negative battery cable (-) and keep it off for about 13 minutes, then hook up the battery cable and make sure it is tight. Learn easy methods to reset and improve throttle response. Many modern vehicles have sensors that monitor airflow, and if the throttle body is not functioning correctly, it may set off a warning light on your dashboard. but now my engine light is on the only thing I done was spray the wd into the throttle then wiped it out . Learn how to clean the throttle body and the signs of a dirty unit. We would like to show you a description here but the site won’t allow us. TCCN: When you have a dirty throttle body and you disconnect the battery it highlights problems with the throttle body calibration! Parts you need to do this job: CRC Throttle Body Cleaner or Toyota OEM Throttle Plate Cleaner Disposable shop towels (you'll be wiping thick grease initially) Learn how to clean a throttle body step by step to improve your car's performance, fuel efficiency, and idle stability. Jul 18, 2024 · The check engine light might illuminate due to issues with the throttle body or after replacing it, indicating the need for a relearn procedure. The throttle body is tasked with pushing air into the engine. Your Malibu's throttle body controls the amount of air that enters the engine. It can turn on for various reasons, but it’s important to know that it’s important not to panic if you ever see this light start flashing. Simple tools, clear instructions, and safety tips included. Please help How to Fix: Clean the throttle body thoroughly, and check the fuel injectors and O2 sensors to balance the air-fuel ratio. I scanned and found a P0106 I cleaned the throttle body for my 2010 Chevy Equinox and caused more issues than I bargained for. So much crap and gunk came out, so when I fired her back up she ran beautifully. Your Elantra's throttle body controls the amount of air that enters the engine. Apr 3, 2023 · A bad throttle body can wreak havoc on your engine’s performance, and the symptoms can range from a low idle to a check engine light. Throttle body cleaning is listed right in the shop manuals for Honda. Your Camry's throttle body controls the amount of air that enters the engine. A check engine light is the most common sign of a faulty throttle body! The check engine light may specifically point you toward the throttle body or also can point to various components, such as the throttle body position sensor, that interface with/actuate the throttle body. truehi, i have a 2005 honda civic dx and i removed the throttle body to clean it, i used carb cleaner, and a tooth brush but didnt remove the IAC unit from the throttle body before cleaning it BUT when i was installing everything i forgot to plug in the IAC valve cable before i started it, then my check engine light was on. Aug 22, 2025 · Learn how to clean your car's throttle body effectively. Feb 16, 2018 · The throttle body controls how much are is entering the engine, making sure it’s just right. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. This simply isn't true. Since we have drive-by-wire (Nissan's name for electronic throttle) you should do these procedures after cleaning your throttle body, because even the slightest movement in the butterfly valve can screw things up. I very carefully removed the wiring harness, and the MAF sensor. AVI - YouTube I already changed the throttle body sensor TPS and MAP sensor, somebody told me to disconnect one of the hoses under the air May 31, 2025 · If a throttle body has become dirty to an extreme, there's a good chance that it'll also trigger the dreaded check engine light on your dashboard, or a similar warning message. Jan 20, 2025 · 6. After cleaning the throttle body, many owners notice a very high idle, erratic (bouncing) idle, and unpredictable power surging. Re-learning the closed position should fix your Just cleaned throttle body and check engine light is now on? Stays on. It's easy on Honda, but a real pain on Nissan. May 31, 2021 · Loss of power after cleaning auto throttle body and the red lightning bolt light and check engine lights are both on now. Anyways, close to the end of using 2/3rd of the bottle, the check engine light came on. Aug 12, 2019 · 5. My check engine light is now on though I did the relearn procedure. If the system detects a problem it will turn on the check engine light. 6L Hyundai engine throttle body, after a throttle body clean, intake clean or GDI service. Meanwhile, a dirty throttle body will lead to poor acceleration and bad fuel economy. Just cleaned the throttle body two days ago and idle was smooth. During these run periods you may see a check engine light. The most common issues car owners experience after cleaning the throttle body are a high idle and the check engine light turning on. Jun 3, 2025 · Check engine light after throttle body clean Discussion in ' 1st Gen. , P2100, P2101, P2110, P2111, P2112, P2118, P2135) Too low or too high or unstable idle speed Feb 18, 2008 · Took the throttle body off and cleaned it, re-assembled drove the car about 10 miles and engine light on dash comes on? everything seemed in order so turned the car off and re-started, engine light is now off? Is this a common thing after disconnecting the hoses and electrical plugs to the Jul 20, 2023 · Get expert insights on Hyundai throttle body problems, symptoms, and replacement costs. Mar 7, 2021 · Aproximately 10 miles of driving after installing a new MAF sensor and cleaning the throttle body the yellow check engine and VSC warning lights are on. Aug 18, 2024 · Over time, the throttle body can accumulate dirt, carbon deposits, and other debris, which can cause the throttle plate to stick or not function properly. 2 - Answered by a verified Dodge Mechanic Mar 11, 2025 · How to reprogram throttle body: fix idle issues and boost performance. Sprayed 5-10 good sprays with CRC MAF sensor cleaner, and let it dry for about 30 min prior to re-installing. Jul 23, 2025 · Regular maintenance, such as cleaning the throttle body and checking the throttle position sensor, can help prevent problems. For the next 2 days, everything was much better. I removed and reconnected wha Discover common issues that may arise after cleaning your vehicle's throttle body, including rough idling, check engine lights, and performance drops. Aug 20, 2024 · After cleaning or replacing the throttle body, you may notice some of the following symptoms which indicate the need for a throttle relearn:<> Check engine light is on Jun 29, 2020 · I followed this video and cleaned the throttle body air intake in my 07 Odyssey. When i put it into gear, the idle immediately dropped to about 750 rpms. Dec 11, 2020 · The ETC, TC, check engine, and 4WD warning lights came on, accompanied by a much more pronounced rough idle. Read more now! Nov 29, 2009 · I continued on my way and took the throttle body off and cleaned it (jeep says not to but wanted 150 to do it???). These could be signs of a dirty throttle body, a crucial component that requires some attention. truck idles high after cleaning throttle body I own a 08 silverado, it had the check engine light on and it threw code p0121 and i cleaned the throttle body and now its idleing very high, does any one know to fix that? thank you! May 24, 2009 · High idle after cleaning throttle body (one more time!) Postby ShipFixer » Fri Apr 15, 2011 1:41 am While I was changing out my tensioner pulley, I thought I'd take a quick stab at cleaning out my throttle body since I read about others doing it here. If the issue persists, re-scan for codes, check for vacuum leaks, and Aug 18, 2024 · A: Yes, carbon deposits on the throttle plate and bore can change the idle position enough to set codes and illuminate the check engine light. Mar 25, 2012 · I don't what is happening but after cleaning the throttle body on my Isuzu Oasis 1997 (honda accord 1996 engine) 2 weeks ago it started doing this: 022. In more modern cars, an electronic throttle control (ETC) constantly monitors throttle body performance. Poor Acceleration Jan 8, 2023 · Check Engine light stays ON with codes related to the throttle body or idle (e. It sounds odd that cleaning a car part could make it faulty- understanding it’s working will make Aug 26, 2025 · As with many other components, the most common indicator of a throttle body problem is the check engine light turning on in your dash. 4L today. The most common symptoms of a bad or failing throttle body include rough idle, rough acceleration, a check engine light, engine misfires, or a stalling engine. I used this video as a Nov 19, 2017 · By the way, the throttle position sensor is built into the throttle body and replacing it should eliminate at least one (P0121), perhaps two (P0171) of the three check engine codes. Jul 23, 2025 · A dirty or malfunctioning throttle body can trigger the check engine light. 9K views 7 replies 6 participants last post by Cochise111 Oct 28, 2010 D A clean throttle body ensures your car consumes less gas and offers a smooth drive. A bad Nov 26, 2024 · 6. Clear stored codes and allow the vehicle to complete its relearn cycle by driving gently. I drove it on the hi-way for 40 min. Nov 11, 2019 · Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Perhaps even better, in the other article, you can see how to thoroughly clean it when it’s totally removed from the engine. May 25, 2021 · Hi All Feel sick to my stomach after I undertook the cleaning of the MAF and throttle body on our new to us ‘99 4Runner. If your vehicle’s throttle body is dirty or corroded with carbon deposits, enough air will not be able to get to the engine, which will affect its performance and cost you hundreds of dollars to repair. There is a very simple process to reset or initialize the throttle body. Apr 25, 2025 · The problems after cleaning throttle body occur when you use the wrong cleaner or technique. What’s the difference between a throttle body and a carburetor? A throttle body controls airflow into the engine and works with fuel injectors to manage the air-to-fuel ratio electronically. Now the engine light is on. 4 days ago · Learn how to clean your car's throttle body with our easy DIY guide. it is a vacuum of some sort. Fix idle problems, stalling, and check engine light without expensive dealer visits. A high idle with a persistent check engine light after throttle body cleaning suggests the ECU is still adapting or a sensor fault remains. Put old throttle body back in after cleaning it up a bit (though it didn't look very dirty) Reverted to same behavior prior to installing new throttle body (periodic appearance of ETC & TC lights that go away with a little acceleration) H i, I was cleaning my throttle body with WD40 and a towel. Inspect the throttle position sensor (TPS) and idle air control (IAC) valve for proper function. Start and idle the engine in PARK for 3 minutes. May 22, 2016 · Learn how to perform a throttle body base idle relearn speed procedure after cleaning the electronic throttle body. No engine issues leading up to this, I just figured it'd be a good Sunday morning project. Aug 12, 2019 · If the throttle body’s performance is not up to the required level this will alert the electronic throttle control, which in turn illuminates the check engine light on your dashboard. so then i plugged it back in and the codes still there. Jun 3, 2022 · One of the most common problems after fuel injection cleaning is the check engine light turning on. The common warning signs of a bad throttle body are an illuminated check engine light, reduced engine power, rough idling, stalling, and rare cases of misfires and rough running. Jan 13, 2019 · I pulled my wife's throttle body earlier today to clean it out. It was idling rough Nov 11, 2019 · Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. In one article you can see how to clean a throttle body without removing it from the engine. The truck is running great, but why the heck is the light on? Did I damage something? Is this normal? What should I do? Jun 23, 2021 · Another thing to add, check engine light keeps coming back after codes are cleared a few days later but did notice if I pop off the air charge tube connected to throttle body the code immediately disappears when I start up the car, what would cause it to clear itself??, so stumped with this situation . 4 days ago · Learn how to clean your car's throttle body effectively to enhance engine performance, fuel efficiency, and overall vehicle responsiveness. Nov 12, 2019 · Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. After you clean it you have to perform an idle relearn. Aug 18, 2024 · If your GM vehicle is idling roughly or the check engine light has come on with throttle-related codes after cleaning the throttle body, you likely need to perform a throttle relearn procedure. Apr 3, 2021 · Hello, Have had the code P0171 for a while but now check engine light came on. 2009 Mazda 3 sport hatch. Over time, carbon deposits and grime can impede its function, leading to rough idle, stalling, and poor drivability. If it detects a problem Nov 20, 2011 · Engine light on after throttle body clean By sam uk November 20, 2011 in 350Z Modifications I also replaced the air filter, and cleaned the throttle body with throttle body kleaner (Canadian tire brand). Your Traverse's throttle body controls the amount of air that enters the engine. There is a known problem with the 1. Code P0511 Nov 11, 2023 · Code P0507 and Check engine light on after throttle body and MAF sensor clean up plus new air filter. Mar 7, 2012 · So i recently cleaned out my throttle body with the official throttle body cleaner because the jeep was idling a little rough. When i drive the car and release the brake from the start, its accelerate up to 30km/hr without stepping the gas, then switch the transmission to neutral it rev up to 1500 -1800 rpm until the car Sep 20, 2006 · Mainly the ones having to deal with the TPS and the TB closed learning procedure. Throttle body related codes do not necessarily mean that the throttle body has to be replaced, sometimes a simple cleaning of the throttle body fixes the pro Dec 6, 2009 · The check engine light came on after I revved it a bit while in park. When I was done both the Check Engine light and VSA warning light are on now. The ‘check engine light’ on the dashboard will glow up. This article aims to debunk common myths, highlight potential issues, and provide solutions to ensure a successful throttle body cleaning experience. The throttle body is what regulates the airflow to the engine of your vehicle. Sep 28, 2022 · A clean throttle body is essential to the operation of your vehicle, as it’s a part of your engine’s air intake system. Once i installed it back in, the jeep idled at around 1100 RPMS instead of the usual 900 or so. Jump to Latest 4. 4 days ago · EricTheCarGuy suggests cleaning the throttle body every 30,000 to 50,000 miles or if you notice symptoms like rough idling, poor acceleration, or a check engine light related to throttle issues. Sep 28, 2025 · Learn how to do a Nissan Throttle Body Relearn step by step. and it is better (no longer wants to stall), but still idles rough. May 1, 2024 · Therefore, resetting the throttle position sensor could help to address the issue and turn off the check engine light. Sep 6, 2023 · Wondering what to do after replacing throttle body? Perhaps you’ve just completed the exhilarating task of replacing your vehicle’s throttle body. Feb 26, 2025 · A bad throttle body can cause issues like unstable idling, poor acceleration, engine stalling, and poor fuel economy. Improve engine performance, fix rough idle, and boost fuel efficiency with this DIY guide. If cleaning doesn’t help, the throttle body might need replacing. Throttle Body wipe and voila my car is back in business. Cleaning the throttle body is an EASY DIY, and can help with a rough idle, check engine light, even sticking throttle. There may be a problem if the air filter housing does not fit properly with the throttle valve (the rubber seal is deformed). After I put everything back together, then I let the car sit for several hours since I didn't need to go out. The two most common car maintenance jobs are fuel injector cleaning and dirty throttle body cleaning. 4K views 2 replies 2 participants last post by janipopa May 31, 2021 Dubya beigh Discussion starter Hi guys I took out my throttle body out of my 2006 Honda Accord 2. Your Civic's throttle body controls the amount of air that enters the engine. Also, did you check the wring for breaks, frays, looseness, etc. After I did that, the check engine light came on, I've heard this Aug 30, 2004 · I was replacing the spark plugs on this vehicle (102K) and decided to clean the throttle body as well (stupid me). Regular cleaning and replacement can fix the problem and restore your vehicle’s performance, preventing costly repairs down the road. After the light came on. If you experience any of the symptoms listed above, it’s important to have your throttle body inspected and repaired by a professional to ensure optimal engine performance. I took the negative cable off the battery for ~ 30 seconds and connected it back, Engine light is still on. If idle speed codes are set, clear codes so the ECM can continue to learn. Now two days later, it was dropping to 750 and jumpy. Aug 3, 2017 · I removed and cleaned the throttle body on my 2010 Silverado LT and now i'm experiencing an engine surge when I come to a stop. Here's what to look out for: 1. g. Your Ram's throttle body controls the amount of air that enters the engine. Your Accord's throttle body controls the amount of air that enters the engine. I am guessing sensor??? map sensor? o2 sensor? Any thoughts? Throttle body is situated between the air cleaner and the intake manifold Throttle body is made from aluminum. It gets carboned up just like every other throttle body. I even unbolted my TB for cleaning to ensure I did not put cleaning spray and carbon muck into my engine Not uncommon for an engine light to illuminate after intake system cleaner is used. When I went to start the engine, first start went like this, hard to crank over held it for 5 seconds. Join Christopher as he tackles the check engine light issue by cleaning the throttle body! Discover tips to resolve the P0101 mass airflow sensor code and ensure your engine runs smoothly. The throttle body was not very dirty. Maybe the vacuum tube of the brake booster is damaged. I was having a rough idle issue on my car (160k), where the engine would feel like it was about to stall when idling. Your Silverado's throttle body controls the amount of air that enters the engine. P0300 as well now. If the code was a hard permanent code, then the ECM (computer) would need a hard reset. Cleaning the throttle body and performing a relearn can often resolve these issues without replacing parts. Cars have an adaptive system that learns our driving Oct 7, 2024 · Cleaning a throttle body is typically a straightforward maintenance task to enhance engine performance. Feb 20, 2024 · Rpm up and down after cleaning the throttle body throttle body Jump to Latest 3. Oct 21, 2022 · If you have recently cleaned your throttle body and are experiencing problems with your car, such as a rough idle, high idle, or even difficulty starting the Does cleaning the inside of a car engine cause check engine light and other temporary problems? I have no idea why this is happening to me but this is the second time it has happened to me. please see pic. Jan 28, 2024 · A faulty throttle body can cause no shortage of issues, from sluggish acceleration and poor fuel economy to rough idling, misfires, an illuminated Check Engine light, and even stalling. A carburetor, on the other hand, mixes air and fuel mechanically before sending it to the engine. Oct 17, 2015 · Is it normal for the check engine light to be on after cleaning the throttle body and MAF sensor? How likely is it that I just destroyed the throttle body? This is pretty bad timing considering that I loaned my dad my OBDII scanner and it's not likely to get back to me in the mail until Wednesday. Early warning signs start subtly. This can lead to a variety of symptoms, such as: Rough idling Stalling Poor acceleration Reduced fuel efficiency Check engine light illumination <> If you experience any of these issues, it’s essential to diagnose the problem and determine Key Summary The throttle body controls the engine’s air supply, and it comes in mechanical and electronic versions. Reply 1: try disconnecting the battery or scan for codes The same thing happened to me when I cleaned my throtle body but after resetting it it never came back on. In some older models, the throttle body is connected to the gas pedal by metal wire, so you can identify it by pressing the gas pedal while the engine is shut off and see the moving part. 7L with 186k miles, I carefully cleaned the throttle body yesterday but now my check engine and traction control lights are both on. However, it is recommended to have the vehicle diagnosed by a qualified mechanic to pinpoint the exact cause of the problem. Also posting before and after of the butterfly valve (the original photo was an “after,” not a “before”). Your Rav4's throttle body controls the amount of air that enters the engine. Immediately after restarting the vehicle, the check engine light comes on and the idle began surging to 2000 rpm. <> In this comprehensive guide, we’ll cover Oct 26, 2010 · Check Engine Light On After Throttle Body Cleaning Jump to Latest 7. May 26, 2020 · Hi guys I took out my throttle body out of my 2006 Honda Accord 2. Car is running great, but lights are on. So, it’s important to conduct a series of checks once you’re done replacing the throttle body, just to ensure the components are in place and can function as required. I went to the bay and it smelled like gasoline Jul 6, 2006 · So I decided to clean my throttle body this weekend with throttle body cleaner. However, there is now a check engine light for code P0106. There are various reasons why a throttle body will misbehave but the most interesting ones are those that arise after cleaning the component. After reassembly, the car started up fine and seems to idle normally. ? "Tomorrow may not come. We finished cleaning, reconnected everything the way it was, and the light was still on. Ran good, still runs good. The black sensor with the gray is the MAP sensor and to the left is the air intake pipe . Cleaned throttle body with correct product, with TB still on truck. Check engine light- The electronic throttle control will raise an alert if the throttle body performs poorly. Well, now I wish I hadn't. Your Equinox's throttle body controls the amount of air that enters the engine. Save money and improve engine performance with simple steps. Replacing the throttle body will usually cost you about $500, but the part doesn’t always have to be replaced. The code for the mass airflow sensor (P0101) is a separate issue. Tacomas (1995-2004) ' started by KT1997Taco, Jun 18, 2025. Your check engine light is on: In an ETC system, the control module constantly monitors throttle body performance. The throttle body controls airflow into your engine and plays a vital role in idle quality, throttle response, and fuel economy. Scan for codes and if you get throttle body related codes, clear them. These symptoms occur because carbon deposits prevent the throttle plate from properly regulating airflow. I followed some instructions on cleaning the throttle body and used some Seafoam Deep Creep to clean up a ton of carbon build up. Sep 26, 2025 · Experiencing a check engine light after cleaning the throttle body? Learn the common reasons behind this issue and how to troubleshoot it effectively. Discover expert tips to ensure your vehicle runs smoothly post-cleaning. The computer will relearn the idle when you place the vehicle in drive and permit the idle to go down with all accessories off for about two to three minutes. Before we start it would be good to mention two other articles regarding cleaning the throttle body. now check engine light is on and it is idling erratically. Because 100k miles I did some basic maintenance. Jun 26, 2023 · Finally, one of the most common issues after throttle body cleaning is the check engine light coming on. After putting it back on, my check engine light turned on Do you want to what are the problems after cleaning throttle body? There are many things to be considered, so read this article. 3) Start the engine again and let it idle in park for 3 minutes one more time. On the third day, my check engine light came on. The buildup wasn't terrible, but there was definitely some buildup. However, certain misconceptions and errors during the process can lead to subsequent problems. I disconnected the battery for 20 min, reattached then After cleaning the throttle valve, it must be adapted with the motor controller (with a suitable diagnostic instrument). Oct 2, 2024 · The throttle body is a crucial component of the engine management system, and any issues with it can cause the ECM to set a trouble code and illuminate the check engine light. This article will discuss what a throttle body is, why cleaning it is essential, and the benefits of doing so. The RPMs jump two or three times and the truck jerks before coming to a complete stop. Jan 3, 2005 · The engine would idle roughly and then idle strong, my dad said that's normal as it was burning the cleaner. After the 3 minute run time the engine should be idling normal. I found a thread relating to a 2013 Apr 4, 2010 · I found if i remove the rubber plug to the top right next to the throttle body the car will run a bit better but idles will still fluctuate and then stay at 1000 rpm check engine light will turned on. I removed and reconnected wha Dec 28, 2016 · After replacing the throttle body to your engine, if the engine light was on and has a pending code, the code will go away. In this video I will show you exactly how to clean a throttle body. If your car is showing symptoms of a faulty throttle body, such as reduced power or rough idle, you'll want to get it checked out. Got check engine light after cleaning throttle body on my 1996 ram 1500 5. At first the engine would'nt stay running, it would turn off but after accelerating it a little bit it caught back on Apr 1, 2025 · The throttle body for the Nissan Altima is known for carbon buildup, and requires regular, light cleaning to maintain peak performance. Learn how to troubleshoot and resolve these problems effectively. A dirty throttle body typically causes rough idle, hesitation during acceleration, stalling, poor fuel economy, and sometimes a check engine light. Hi guys I took out my throttle body out of my 2006 Honda Accord 2. Jun 20, 2025 · Common problems after throttle body cleaning include unstable RPM, check engine light, throttle hesitation, engine jerking, reduced power, and increased fuel consumption. Feb 3, 2019 · During that period the idle may be higher idle than normal. I cleaned the throttle body well then put it back on. Several things, including a loose vacuum hose or an issue with the throttle position sensor, can cause this. Mar 4, 2025 · Explore Hyundai Elantra throttle body problems, common causes, owner feedback, and recall information to stay informed. After SC replace with new throttle, the idle become high about 1000-1100 without load. The check engine light was on as well. Since modern vehicles monitor the throttle body’s performance constantly, any irregularities will trigger the ECM to store a fault code and turn on the warning light. A dirty or bad throttle body may badly damage your engine or reduce the engine performance. Important: During the drive cycle the check engine light may come on with idle speed DTCs. Your Tahoe's throttle body controls the amount of air that enters the engine. Then again, there may be several reasons behind this, so it is best to check manually to see if there is some dirt or carbon around the part. I believe the engine light up is due to cleaning of throttle body hence you need to just reset the battery after plugging back the shining clean throttle body. Check out this expert guide you through the Apr 20, 2019 · I always clean my MAF sensor without having the engine light up and I never unplug the battery. Nov 28, 2024 · While it’s usually a straightforward job, cleaning your car’s throttle body can result in some problems if you make any mistakes. This process helps your vehicle’s computer relearn the correct idle and throttle settings. . I took apart the air intake this morning to clean the throttle body and MAF sensor on my 2006 4runner. The ominous check engine light. After cleaning throttle body the engine revolution went high and check engine light came on. Then after about 20 min or so of driving I get a "Check Engine" light. 8. For instance, you might damage the throttle position sensor and electrical connections or create leaks while installing the gasket. Feb 19, 2018 · Trying to do some proactive maintenance on my '11 CM 5. Nov 23, 2014 · Ignition OFF for 60 seconds. I also disconnected and reconnected the battery and followed an idle reset procedure (but I don’t have a two-way OBD II). Jul 17, 2011 · High idle after repalcing Throttle Body So what is the solution to this problem, i also facing the same problem. This deep-dive guide offers everything DIYers need—from understanding the throttle body’s role and how it fails, to recognizing symptoms Nov 12, 2019 · Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Nov 19, 2015 · I just did the throttle body clean with Seafoam spray just like they show on their website. While throttle-body cleaning is good preventative car maintenance, it will also help engine drivability. Now it’s time to unleash the full potential of your engine! But wait… Before you hit the road and feel the rush of newfound power, there are a few crucial steps to ensure a seamless transition. Find solutions to common issues with your Hyundai's throttle body. Sep 28, 2022 · How to fix high idle after cleaning throttle body Giving computer time to relearn itself You should note that the idle shall be high at first until the computer relearns it again. fms cthdn mceasnt hhw mhcr wlnsu realizc fxqlla pghvktk qitjim oomgxq indf isi cqxnx cbubf