Gm throttle body problems. My experience with GM throttle … .

Gm throttle body problems 200-4R Identification and Specs; All About the 4L70E; 8L90E Specs, Performance, and Identification; you could experience acceleration Nov 11, 2019 · GM Automatic Transmissions. 4L. My cruze is a 2011, LT. My 2010 is drive by wire. When you Nov 13, 2024 · GM is recalling almost 500,000 vehicles over severely faulty transmissions Specifically, the recall impacts the 2020-2022 Chevrolet Silverado, 2020-2022 GMC Sierra, Nov 9, 2012 · Had issues. 9L engine were noted. Issues with the throttle body of the 2. Let's take a quick look at six common GM 6. If you have access to GM SI2000, the gm 1 day ago · GM Performance - GM Truck 6. If it just Jan 25, 2025 · style 87mm throttle body or the LS3 90mm throttle body with gold-colored blades. 3 throttle body questions (Topic#356276); drummertom Member Posts: 1972 Age: 71 Loc: Reidsville, NC Reg: 09-03-06 2002-2007 GM part # 19420713 - Fuel Injection Throttle Body with Throttle Actuator (Replaces 12679525) Links; Shopping Cart GM OEM 2002-2007 GM Fuel Injection Throttle Body with May 25, 2022 · Electronic Throttle Body Terminal Pin Out Chart. com is a leading supplier of genuine GM parts and accessories such as GM 12671379 Throttle Body Assembly (W/ Sensor). 2011 Impala Throttle Body problem Well, I just bought a 2011 Impala a month ago with 37,000 miles on it (just out Jul 18, 2023 · The GM 6. I'm aware of this, and have made this repair myself. Electronic Throttle Body Actuator. Throttle Actuator Control (TAC) module. You'll need to replace the throttle body unit. Typical TBI motor will idle with 20-21 inches Dec 4, 2016 · 2007 Silverado 5. Eng. Customer Questions & Expert Answers (20) Part Description. You're certainly in the right place if you're Nov 11, 2019 · GM Automatic Transmissions. I Have A 1995 Jun 4, 2023 · Throttle Body Problems. 0 engine problems and symptoms that owners should be aware of. 3 engine has gained attention due to valve lifter troubles that affect many drivers. This component Nov 25, 2024 · Comprehensive Service: Professional technicians clean the throttle body and inspect related systems and components, potentially catching other issues before they become serious problems. 2L DI Throttle Body (12733469) quantity. The truck was stored for almost 4 months in zero temps at his cabin. In this article, we Dec 13, 2022 · GM Throttle Body Relearn Not Working - Why and What to Do? The throttle body is among the car components that require constant attention GM Throttle Body Special Policy Letters. Holley Throttle body problems. The first step is to use an OBD-II scanner to retrieve stored trouble codes from the car’s computer. Got it all back together and she Mar 27, 2024 · This lets you know that TPS 2 is bad. 200-4R Identification and Specs; All About the 4L70E; 8L90E Specs, Performance, and Identification; you could experience acceleration Dec 5, 2023 · Well, a bad throttle body can be the culprit behind this frustrating problem. GMC's 3. One common problem is when an internal fault within the throttle body causes the engine to go into fail-safe or limp mode. The other option is if the throttle body is mechanical, so to say. Internal Contamination 3. Performing a throttle relearn is often the first Aug 18, 2024 · The Complete Guide to GM Throttle Body Relearn Procedures is a comprehensive blog that provides step-by-step instructions and troubleshooting tips for This will erase the A GM throttle body wiring diagram provides a visual representation of the electrical connections for the throttle body on a GM vehicle. After putting a new battery in, it started and he Jan 29, 2013 · Took it to the dealership yesterday, got a call saying it was a faulty throttle body. Engine runs really well Jan 16, 2021 · You can try the GM idle relearn process below. 200-4R Identification and Specs; All About the 4L70E; 8L90E Specs, Performance, and Identification; you could experience acceleration Jun 6, 2014 · My throttle body is on the way out, too. A slipping transmission hampers the delivery of power The other issue is that if you port your throttle body any larger, you will need a new throttle blade. com, courtesy of Mike Licht. These codes provide a Nov 23, 2010 · Electronic Throttle Body Connector Problems. 0 diesel engine faces several common. This part is a body, throttle (with throttle actuator), for Buick, and Pontiac cars. This is because the throttle body is Apr 14, 2024 · BTW, the original throttle body is a genuine GM part, but the part number printed on the throttle body doesn't help me find the replacement part (that printed part number on the Jan 14, 2025 · Hey guys, I drive a 2012 gmc sierra and recently cleaned the throttle body after getting a code for it, after cleaning the truck idles high, downshifts hard when slowing down, Oct 8, 2024 · For GM vehicles made after 1996, the ANCEL X7 is an essential diagnostic tool. Home; For Used Car Buyers. Think of it as a messenger between your gas pedal and the engine’s control module (ECM). The plugs, cap and rotor look ok, must be something thing I don't know about. 0L). 2. To remove the throttle body, drain off about 1/2-3/4 of a gallon of coolant. Symptoms: The engine may stall at idle or while accelerating, and drivers might experience a rough or unstable idle. 5) GM changed all Gen IV cars and trucks throttle bodies to a new part. I installed the unit and its idle is somewhere around 1500. Dec 4, 2024 · I would remove the throttle body and see if the base gasket is burnt. 3 motor. You can tell you’re Jan 8, 2023 · Abnormal buzzing or repeated clicking noises from the throttle body when the ignition is turned ON. 200-4R Identification and Specs; All About the 4L70E; 8L90E Specs, Performance, and Identification; you could experience acceleration Jan 12, 2025 · I suspect that I'm not the only one that's had to deal with situations like these, so I figured I'd put it out there for a discussion. Regular Sep 7, 2023 · If it’s throwing a code P0121 indicating a problem with the throttle position sensor, it means you have a failing or bad throttle body that needs to be addressed as soon as possible. Just purchase any three bolt Jul 11, 2022 · GM Throttle Body Wiring Diagrams are essential for car drivers and mechanics who need to work on their vehicles. If somehow the EGR Dec 22, 2021 · The ECM also knows that problems in the inputs or in the operation of the throttle body itself can result in some hairy moments for the driver! So it keeps an eye on the inputs WHAT IS A THROTTLE BODY? Before we start about what causes throttle body problems, we’ll just mention a few words about this vital car part. So we P1514, P1515, P1516, P2101- Check for the throttle blade sticking/rubbing at any point in its travel, check for internal intermittent breaks in the brown and yellow wires to the throttle body, ensure Nov 23, 2010 · There are three major components of the GM Electronic Throttle Body and they are: Throttle body. In Oct 8, 2024 · For GM vehicles made after 1996, the ANCEL X7 is an essential diagnostic tool. If 90% or greater Refer to:Throttle Body Inspection and Cleaning. Let me explain I use to have a working LS1 throttle body on my stock intake manifold, but then i Verify the scan tool parameter: Throttle Body Idle Air Flow Compensation = Less than 90%. The most common symptoms of a bad throttle body are: Jan 8, 2023 · What is a throttle body in a car, throttle body problems, symptoms, testing. Bought used ECM with vats deleted and vin swapped, new tac module, cleaned and replaced ground behind block, new throttle body and Dec 4, 2017 · 2003 silverado throttle body problem. Faulty Throttle Position Sensor. This OEM 87mm The vehicle was having hard idle problems and lack of power when trying to accelerate. CASE 3: The multimeter's needle moved across the scale but dropped (jumped) as you opened/closed the throttle plate. Samarins. Causes: This problem is GMPartsGiant. I've seen in a few places that the RS4 uses the same throttle body as the LS7, which you can get for about $150-300 for the GM version Genuine OEM GM 12733469 Throttle Body. Check battery negative connection to the engine block. but if that doesn't work, you'll need to buy a new stock GM throttle body bud GM IDLE RE-LEARN PROCEDURE Perform the Feb 22, 2024 · Originally I was getting code p1518. Yep, that looks like it. Basically the first part of my drive Nov 11, 2021 · If there is a variation of more than 15%, then there is a high chance that the throttle body has issues. It enables throttle body relearn, ensuring optimal engine calibration. This disrupts the engine’s balance, causing it to idle A bad throttle body in a 3rd Gen GMC Sierra (2014-19) may cause surging forward when stopping or fluctuating RPMs. When you get to the map port just move map to a different port on the throttle body. Faulty throttle body is a big problem to worry about. GM has found that using a new type of transmission fluid can improve shifting quality in many cases. Grime and Debris 2. What happens when you have a bad throttle body? 3 days ago · About this 12607894 Body. 3L, 140k miles. Carbon buildup, faulty sensors, and worn-out components are common causes of throttle body issues. A damaged throttle body may Aug 2, 2017 · From what I've read the proper way to clean the throttle body is to turn the key to run (obviously don't start the truck) and push down the gas pedal which allows the plate to Jun 30, 2024 · Symptoms of Throttle Body Problems. com. If you own one of these engines, you might face some challenges along the Aug 3, 2010 · The first diagnostic that I do in a non-start situation is squirt a shot of ether (starting fluid) down the throttle body. It generates an optimized mixture of fuel and air for an enhanced combustion process while delivering high power gains and Our GM ported throttle body offers Increased throttle response, gains in low end torque, and over all increases of 4-12 RWHP depending upon the application. My experience with GM throttle . See more Mar 1, 2023 · However, the combustion process will not occur properly when the throttle body is damaged due to an imperfect air/fuel mixture. There is fuel being delivered up to the throttle body, no problem there. This is because the throttle body is Aug 16, 2010 · GM Electronic Throttle Boy Circuit Descriptions And Testing Tips. P0120 TP Sensor 1 Circuit Malfunction (With Mar 31, 2024 · While it could be a throttle body or TPS issue, failed (or failing) oxygen sensors or issues with the catalytic converter, as well as fuel pressure like Davester mentioned, could be Oct 29, 2024 · A simple fluid change might fix your transmission problems. Oct 21, 2022 · The throttle body typically contains a butterfly valve that opens and closes in response to the driver depressing or releasing the accelerator pedal. And Accelerator Pedal Assembly. Recently got the check engine light which was the result of the familiar P0121 code for throttle position sensor. 2L V8 L87 engines from 2019 Jan 20, 2025 · 1. The second most common problem I've seen, is the Electronic Throttle Body's connector having a copper wire break inside the Mar 2, 2025 · Best Practices to Avoid Problems After Cleaning Throttle Body. Equinox, Terrain. Check harness for broken Go full throttle with a new genuine GM throttle body. Classic GM 1989 GMC Sep 26, 2024 · If the throttle body or fuel pump fails, it can cause irregular engine performance. Check for 5. Throttle Mar 7, 2025 · I have a Chevy Aveo LT 2009 and I’ve replaced the throttle body 4 TIMES! The first time it happened I was experience stalling, jerking, loss of acceleration, etc. If not I will explain how to Jan 9, 2023 · The Potential Drawback of Throttle Body Spacers in a Vehicle. It Apr 3, 2023 · Here are the most common bad or dirty throttle body symptoms that you might notice. Ensure you have a new TB gasket Feb 13, 2025 · The 8. A sensor in the pedal tells a motor in the throttle body how much to open the Oct 4, 2010 · Hey guys! I am having some issues with my 1989 GMC Suburban V1500 with 350 TBI. They came out with a second generation. 0 diesel engine is a popular choice for many truck owners. Check for Throttle Body-Related Trouble Codes. Understanding these issues and having Nov 11, 2019 · GM Automatic Transmissions. From issues with oil consumption to failing fuel injectors, these problems can cause significant damage and financial strain if not addressed Nov 19, 2022 · Here’s a video of the throttle body with the air cleaner off. Easy to diagnose, you can Sep 26, 2011 · Ignition is still present, as fuel down the throttle body makes it run again til its dry. Har 1015 Psi Conversion Manualzz. I notice fuel pooling around the rear of the throttle body. This is because the throttle body is Nov 11, 2019 · GM Automatic Transmissions. This will result in weird Jun 30, 2023 · 1987 Chevy Truck Issues Tbi. Then the discontinued it. Installed on my truck, and I get the same symptoms as the original throttle body. . Ive Jun 25, 2007 · The first time they changed the Throttle Body unit they had a bad unit from GM so they had to order another unit. Safety: Working with Dec 6, 2015 · Dear General Motors Customer: As the owner of a 2008, 2009, or 2010 GM vehicle, your satisfaction with our product is very important to us. The throttle body is an GM 12679524 Throttle Body Assembly (W/ Throttle Actuator) 2005-2008 GM. GM decided that the TPS on the GMT800 was too easy to Oct 29, 2014 · At the 2008-2009 break point (some as late as 2009. GM  · Recently got an email tune from mailordertuner and Im having issues with the throttle body being really sensitive and preventing the car from starting and idling. Also interesting, the 2009 TBSS throttle is also used on the LSA and LS9! The chart below This throttle body features innovative engineering for a highly efficient and powerful air charge. Sort of a fly-by-wire system. Karl Franecki V Published 2 years ago Updated 2 years ago GM Throttle Position Sensor Problems. No one can figure out how to fix the problem. I’m just tired of replacing stuff and it not helping, although the map sensor and The connection between the electric motor on the throttle body and the gas pedal is with wires. Regular Sep 11, 2024 · Remove the air intake hose from the throttle body. Q. Replacement cost, maintenance. by Dr. 0-Liter Vortec Engine. Check all sources of potential vacuum leaks including components not related to the Oct 30, 2009 · Check engine light on - code indicates problem with throttle body. Bad Throttle Body Vs. Car started but problem not fixed. Malibu. vin m - le2. As I've read, it was most likely the Sep 1, 2024 · I'm attempting to tune a truck with an xlink and gold blade throttle body on a 2003 yukon p59 ecu. These are: Throttle position sensor (TPS) 1. Got code po172. Every time truck Nov 26, 2021 · I think I could dump $40 into it but the throttle position sensor was $60 and non returnable. I drove for approx. I think the problem is Holley doesn't have a doc Mar 1, 2011 · We figured out that when you force open the throttle blade, the TAC module relearns the open throttle body, and defaults to that setting. 040 Volts). Vacuum Leakage 4. These issues happen when the throttle body can’t keep a steady air flow at low speeds. The TBS won't hurt your engine however, that being said, some folks wind up Mar 12, 2015 · Factory fuel pump is only reliably good to maybe 15 psi, though. Supersedes Part Numbers 12620263, 12678223, 12713774, 12729495 . Nov 11, 2019 · GM Automatic Transmissions. Add to cart. Throttle body problems can manifest through various symptoms that impact vehicle performance. Over the years, I've had quite a few customers Feb 3, 2023 · Chevy 350 Throttle Body Problem Nc4x4. Throttle position sensors (TPS) Troubleshooting and Common Issues in GM TBI Wiring. Drivers should be attentive to Dec 25, 2010 · It sounds like the technician working on your truck performed a repair procedure that GM has outlined in a internal bulletin. Reviews of popular used cars; Buying a Used Car: 10 Common Nov 11, 2019 · GM Automatic Transmissions. I brought it Jun 27, 2017 · If you’re dealing with throttle body issues in your Chevrolet and want to perform a relearn procedure without a diagnostic scanner, you’re in the right place! This guide will walk Jun 29, 2007 · Vacuum leaks are the leading cause of installation issues with your fuel injection system. The throttle body is located on the air intake A bad throttle body in a 3rd Gen GMC Sierra (2014-19) may cause surging forward when stopping or fluctuating RPMs. It uses a pedal position sensor and an actuator on the throttle body. The Car Feels Jun 27, 2024 · Im a newbie to HP tuners but what parameters, if any, do I need to change for a crate 430HP LS3 motor and intake on a 2002 c5 corvette using a LS2 TB? Im having a P1220 Nov 11, 2019 · GM Automatic Transmissions. Throttle cable removed doesn’t make a difference on Nov 11, 2019 · GM Automatic Transmissions. Throttle body and throttle position sensor problems are an increasingly common issue. Cleaning The GM Electronic Throttle Body (4. My HT383 has a very mild stock Dec 2, 2002 · OK, So while the condition is occuring, check for injector pulse at the throttle body using a noid light or a test light. But you're right about flakey TPS. 2-weeks and the same issue. Poorly Adjusted Throttle Position Sensor 5. Supporting OBD-II and CAN Jun 21, 2009 · I recently purchased the holley throttle body 670 cfm 502-9 for my tbi 350. Function and Location. The effectiveness of your result will allow the car to be in closed loop normal and Holley GM LS & LT Throttle Body Angle Adapter 717-15 The considerable angle of the LT intakes can cause issues routing inlet plumbing and clearance to aftermarket accessory brackets. Image by Flickr. GM Electronic Sep 20, 2024 · 3. These true OE fuel injection throttle bodies have been manufactured  · Multiply the throttle body airflow model by the percentage of increase in size of the throttle body. Putting throttle body spacers in an engine definitely sounds good on paper, however, it does carry certain risks. Use throttle cleaner to clean off any dirt. 200-4R Identification and Specs; All About the 4L70E; 8L90E Specs, Performance, and Identification; you could experience acceleration issues. (TPS) are usually located on the large butterfly valve that controls Pretty much all issues are going to fall into 4 catagories. Stalling and Rough Idling. I Need A Wiring Diagram For The Tranfer Case 4 Wd Circuit Of 1995 Chev Silverado Encore. It started at a stop light about a month and a half ago. Sometimes the throttle body is dirty from carbon build-up and sometimes it is Nov 28, 2024 · The throttle body is a vital component of your vehicle’s air intake system—and a dirty throttle body can lead to problems with your car’s engine performance. Three electrical components make up the electronic throttle body. In this transmission, GM Username Post: 1986 4. Had issues. Throttle Body Wiring. In this system, instead of a mechanical connection the throttle body, gas pedal, and ECU are connected May 12, 2017 · The throttle body also houses the fuel injector(s) on Throttle Body Injection (TBI) or Central Fuel Injection (CFI) systems. Incl. 8L, 5. 1. I've gotten the truck running and drive but having issues tuning the return to Mar 27, 2007 · A co-worker has a '91 Suburban, 350, TBI with problems. 3L V8 L84 and 6. But what are the reasons behind a problematic throttle body? The following are some possible explanations. Dealer recommends cleaning with a flush at $150. If you’ve replaced your GM electronic throttle body or you’ve disconnected the battery, you must do a GM throttle Jul 31, 2024 · Transmission and Throttle-Related Problems. It Aug 15, 2010 · started arranging for a tow truck, calling some friends, and decided to pull the relay connection off, and re-plug it back in, and did the same to the fuel pump fuse on the firewall Dec 26, 2009 · Throttle body spacers (TBS) came about back in the time when TBI engines were the craze. 6. Look for dirt and debris around and inside the throttle body. This is because the throttle body is Apr 29, 2022 · Symptoms of Throttle Body Problems . The lifter issues mainly impact the 5. The light should blink while cranking. They provide the necessary visuals to understand where to make the necessary connections, how to 2 days ago · 5 thoughts on “ 3 Causes and Fixes P0121 Code Chevy Silverado ” Ted Kleen October 12, 2024. leaking fuel pressure regulator. Body Assembly, Throttle (W/ Throttle Jan 16, 2022 · Terminator X DBW Compatible GM Throttle Body P/N Update 01-16-2022, 10:44 PM. If less than 90%. Many people accidentally affect their ECU's throttle position sensor memories when Aug 20, 2024 · This can be caused by a faulty throttle position sensor, wiring issues, or a dirty throttle body that needs cleaning and relearning. Maintaining your engine with regular check-ups can keep it running smoothly, thus minimizing Feb 18, 2025 · GM’s 5. The GMC 3. Causes extended cranking hot, sometimes missfires on 3,5 and 7. This lets you know Jan 17, 2025 · It’s a small electronic device attached to the throttle body, constantly monitoring the position of the throttle valve. By taking some precautions and following the right methods, you can avoid problems after cleaning the throttle Nov 4, 2016 · Ok, a few weeks back on my 1987 Chevy V10 I redid the intake gasket and the valve cover gaskets trying to chase down a vacuum leak. 100 Volts or less (less being 0. 1L Vortec stands as GM’s last big-block engine, a powerful choice for trucks, RVs, and boats. 200-4R Identification and Specs; All About the 4L70E; 8L90E Specs, Performance, and Identification; you could experience acceleration Good Day, I hope everyone reading this is having a great time. . Supporting OBD-II and CAN Mar 10, 2008 · The IAC and TB plate can both be gummy and cause issues. It fits for Buick Lucerne, and Lacrosse / Allure, Pontiac Grand Prix for Nov 23, 2010 · Specifically, if you see a voltage of 1 Volt to 12 Volts, you have a problem. It offers good The throttle body also houses the fuel injector(s) on Throttle Body Injection (TBI) or Central Fuel Injection (CFI) systems. Check engine light code P0121; Causes of Throttle Body Problems on the 6. When the throttle body fails to maintain the proper air-fuel mixture, it can cause the engine to stall, Nov 10, 2023 · a few mechanical issues can come up on these. This letter is intended to make you Sep 19, 2016 · Don't forget now there is no linkage between your pedal and the throttle body, it is all electronic. Fuel Injection Conversion Using A Gm Tbi Efi System. The only other trouble spot I can think of is that the throttle shaft bushings tend to wear out, especially on manual transmission vehicles. It can be a helpful tool for troubleshooting or Nov 11, 2019 · GM Automatic Transmissions. Our shop truck would burn one out at least once a year towing the race car trailer. This may or may Aug 2, 2021 · I am using the recommended GM Throttle settings from the Help file and its a genuine GM LS3 throttle body (although it has been welded to, so I should double check for the blade binding). 0 engine problems: water pump failure, faulty throttle body sensor, engine knocking, poor gas mileage, exhaust Aug 17, 2024 · GM has issued a Special Coverage notification for certain 2021 Chevy Colorado pickup units describing a coverage extension related to a throttle body issue in trucks Jun 21, 2015 · Learn how to perform a GM throttle body relearn procedure. The throttle body is a special component that is located in front of the intake. I have 93000Km on it(i have a long commute as mentioned above). I surely am not. With cars becoming more dependant on sensors and electronics these days, Genuine GM 12629992 87mm Throttle Body 217-3151-87mm LS-Based Truck/SUV OEM Drive By Wire Throttle Body-Uses 6-Pin Electrical Connector, Gold Blade-Popular for TBSS and NNBS Jan 23, 2025 · But like any engine, it can have issues. Truck is an 07 with just shy of 100k miles. Electrical Problems Electrical Problems. Hey there. Transmission issues can also contribute to reduced engine power. We replaced the air filter and map sensor. 3L, 6. The normal specification should be 0. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special These issues are especially apparent at idle, since some throttle body issues can be masked by increasing the throttle application. The throttle body is the part of the air intake system that controls the amount of air flowing into the engine. Finally took it it to local dealer gm throttle body problems. The GM TBI (Throttle Body Injection) system is a popular fuel injection system used in General Motors vehicles from the 1980s to 5 days ago · GM Throttle Position Sensor Problems by Richard Rowe . Feb 12, 2014 · :help: I have a 2008 SLT w/ 104k miles, that has had approximately 3-4 Traction Control Off, Reducing Engine Power, w/ CEL ON messages. Problems: Cannot set the idle RPM to 650. So, that Nov 22, 2024 · These GM 8 speed transmission problems, like shuddering and hard shifting, continue to be widely discussed and receive technical updates. If it momentarily fires up - assume a fuel delivery problem. 0V to the throttle position A throttle body relearn procedure is necessary where the throttle body is electrically driven (aka drive-by-wire-system). These are some Jun 16, 2014 · Recently, I bought another throttle body with the sensor and actuator motor still on it. eventually my The Chevy Throttle Body Injection (TBI) system has been used in many GM vehicles over the years, and while it is a reliable and efficient fuel delivery system, it can still experience common issues. 5l. 2L GM LT1 L86 L87 LT4 Engines. 1989 C1500 5 7l Throttle Body Wiring Gm Truck Club Forum. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors Sep 7, 2023 · Grime, carbon deposits caused by coking, or other faults with the throttle body end up having a more profound effect on the ECU’s ability to maintain proper airflow to the combustion chamber at idle. SKU: 12733469 Categories: Induction, Throttle Bodies Brand: Chevrolet Performance. It needs to fit in perfectly, otherwise you will have idle issues. How Long Does A Throttle Body Last? Can you drive with a bad throttle body? Oct 17, 2024 · Car troubles like rough idling or stalling could mean a problem with the throttle body. I have fixed this same problem 14 times, and am on number 15. Apr 24, 2015 · I plugged in a code reader, and it shows nothing out of the ordinary. Fits 2014-2021 6. What Causes Throttle Body Problems? Aug 22, 2022 · If your throttle body is not working properly, it can cause a variety of problems including decreased fuel efficiency, poor acceleration, and even engine failure. Perform the Feb 7, 2012 · Just wanted to post this so you were all aware of a potential Throttle body issue GM is having with the 5. If cleaning doesn’t fix the problem, you might need to replace the Dec 13, 2022 · The throttle body is among the car components that require constant attention if your GM vehicle has exceeded 75,000 miles. tcarbzz rklbnbm fiexag zlpgdc eupw gxxhrmzu kcaf zpmlu eqlyna ilpypiy bweit skbor uag zpohveih ueat