When this spindle body is breaking, it prevents the throttle body valve from opening and allowing more air into the engine. Straightforward about all of the work right away, and took pictures for me to see what had been done when he was finished. Scion xB - Clean Throttle Body - Los Angeles, California. 2007 Subaru Legacy. When the throttle body gets dirty, it is unable to allow the optimum amount of air into the air intake system, and the air-gas equation will be incorrect. A good cleaning cured the problem. It depends on the type of car you drive and the auto repair shop you go to. As a result, your engine will not run smoothly. You may need to take the TB off of the engine. The 2011 Chevrolet Cruze has 1393 problems & defects reported by Cruze owners. Gave me direct answers to my questions no matter how simple and let me know other ways to resolve problems in the future. The Chevrolet 8.1-L V8 engine has reports of throttle body problems affecting the operation of the engine. which were very dirty. How to Repair a 2006 Chevy Trailblazer ... pickup 4x4 car from above image by alma_sacra from, Copyright 2021 Leaf Group Ltd. / Leaf Group Media. This article on Chevy throttle body problems will provide more detail. Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. This isn't the most common issue, but you have to check this. “Low Oil Pressure” Warning Light 3.1 Sudden Loss of Oil Pressure. If no power is present, the computer is at fault. The electronic throttle control in the Chevy 8.1-L V8 engine can lose the signal between the accelerator pedal and throttle body. If you let off of the gas coming to a stoplight and it stalls for a second or two and recovers itself, it very well could be a dirty throttle body that is causing the problem. The throttle body is the component of the air intake system that determines exactly how much air to let combine with the fuel. Very informative, extremely knowledgeable explained repair process step by step was very friendly and professional. The Chevy 8.1-L V8 engine has a problem with carbon building up in the throttle body. The throttle body is the part of this system responsible for controlling exactly how much air is added to the gas. The air intake ducts should be examined when the throttle body is cleaned. Chevrolet has improved the Silverado 1500, with increased payload and towing capacities as well as giving it an improved powertrain and better fuel economy. A hose runs on both ends of the throttle body of a Chevy 8.1-L V8 engine. Honda CR-V - Clean Throttle Body - Richmond, Virginia. The Chevy 8.1-L V8 engine has a problem with carbon building up in the throttle body. Vacuum leaks can disrupt the air-fuel flow because of an imbalanced airflow, which can cause throttle body pressure problems. This carbon problem makes the throttle body valve stick in place. Once this signal is interrupted, the throttle body does not work correctly. The air intake system draws air from outside of the vehicle, and blends it with the gas to create the optimal fuel mixture for your vehicle. on how to clean a throttle body. “Finding a trusted mechanic at a reasonable price can be extremely difficult. With YourMechanic you can skip the auto shop altogether. The dealer replaced the throttle body claiming the original had a … Second car i had worked on by Joel I highly recommended him. Ford F-150 - Clean Throttle Body - Carson, California. On throttle body injection (TBI) models, you can actually see the fuel spraying into the throttle body by removing the air cleaner housing and watching the injector while an assistant cranks the engine. The throttle control normally sends a signal from the gas pedal and into the throttle body, telling it how much power is required. This truck starts then immediately stalls. how much air is entering the engine) and relays the information back to the ECU. Consult your owner's manual to see how frequently your throttle body should be cleaned. Idle runs high . This allows too much air into the engine cylinders, causing the engine to misfire. Turn signal light is not working Inspection, Ignition Cable (Spark plug wires) Replacement, Clean Throttle Body In West Palm Beach, FL, Clean Throttle Body In Port Washington, NY. YourMechanic All rights reserved. The wire that feeds TP Sensor 2 with these 5 Volts is the Light Blue w/ Black stripe wire and it's the one labeled with the letter E in the photo above.. Alright, this is what you need to do: Place your multimeter in Volts DC mode. Throttle body trying diagnose the problem on a 2001 Pontiac aztek. Throttle body sticking on 1999 chevy Silverado. However, now that this has transformed into a drive-by wire system the ability to obtain a precise throttle … The issue could also be an incorrectly adjusted throttle stop. Removing it and replacing it with a shiny, new throttle position sensor (TPS), or a … . This is a component that acts as a gate-keeper and establishes a minimum or maximum position for a throttle body plate to be opened or closed. Answer. it starts right up, runs great, but when i stop at a red light or stop sign, id stalls, sometimes it does this 10 times a day, others not once. It stuck at the idle position and took considerable effort to get it to "unstick". Would recommend him highly! Cruise control is a sophisticated electronic system that is able to hold/accelerate and decelerate the vehicle by the push of a button. A professional and a people's person. Just have it checked if you're in the VINs covered at a regular service interval. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics, Ford E-350 Super Duty - Clean Throttle Body - Denton, Texas. The throttle body is the part of this system responsible for controlling exactly how much air is added to the gas. The electronic throttle control needs to be replaced once this problem occurs. i have a 94 silverado. Less fuel means the engine has less power than it requires at times. Kenneth is amazing! Problem with your 2005 Chevrolet Silverado 1500? Within 10 years Garcia was being called upon to write speeches and scripts for several state and federal congressmen, local broadcast networks and publications such as "Readers Digest." 0 replies Report. These hoses are sealed with connections that can leak, causing a vacuum leak. Upfront and transparent pricing. GM throttle body relearn procedure How to do a GM throttle body relearn procedure. The throttle position sensor (TPS) is located on the throttle body and is responsible for controlling air flow into the engine. Have a technician check your vehicle immediately if you own a Chevrolet (especially Chevy Silverado and Tahoe), … Once more air is permitted into the engine, more fuel is allowed to enter the cylinder heads. Great customer service as well and let me know about other things on my truck that could use attention. Made with ♥ in Silicon Valley. General Motors had this throttle body problem many years ago on its troublesome 4.3 L V-6 Vortec engine.. A dirty throttle body can lead to stalling in your Silverado. Chevrolet Silverado 1500 - Clean Throttle Body - Citrus Heights, California. Some vehicle models are more prone to code P0121 than others. If your system doesn't have a Schrader valve and the engine doesn't start, remove the fuel pump fuse, crank the engine … Probe the throttle body connector for power to the throttle motor. The system uses sensors and modules to communicate vehicle speed and driver inputs at a very fast rate. The amount of air alters the amount of fuel allowed into the cylinders, affecting the amount of power the … I got to scratching my head thinking this just isn't possible. With the red multimeter test lead, probe the wire identified with the letter E in the photo above.. ... Chevrolet Silverado 1500 - Clean Throttle Body - Citrus Heights, California. They send certified and screened mechanics straight to your door and enable you to save big on car repair and maintenance.”, “YourMechanic will come to wherever your car is to perform any of a wide variety of car maintenance and repair services, and will charge you less than you'd normally pay if you were to drop your car off at a garage.”, "YourMechanic will fix your car at your garage at a fixed hourly rate much lower than their brick-and-mortar counterparts.". Many car makers including GM started installing fly by wire electronic throttle … He was easy to talk to, confident about what he was supposed to do and did it in a reasonable amount of time. The last codes I pulled showed a myriad of potential problems, codes were P0120, 0220, 1516, 1518 and 2135, all pointing to issues with the accelerator pedal out of sync with the throttle body and issues with the throttle position sensor in the throttle body. Same symptoms ecah time. Fast and easy service at your home or office, Backed by 12-month, 12.000-mile guarantee. Starts with the engine either dying or running on maybe 4 cylinders, Idiot lites come on like you are in Vegas. As a result, your engine will not run smoothly. Tags: ford, e 250. Our mechanics are mobile, which means they don't have the overhead that repair shops have. Dan very knowledgeable of my engine and was able to fix it in no time. Clean it up, paying attention to all of the ports, butterfly back, etc. Our mobile mechanics offer services 7 days a week. AAARRRGGG! Be the first to … I have a 2001 GMC Sierra 1500 SLT 5.3l that I bought used with only 80k miles on it. Read on to see what attention your Silverado may need and how you can protect it from damage. He will always have my business. Asked by Visitor in Eureka, CA on . ... You shouldn't have any problems starting the engine. Spray brake cleaner on the throttle plate. This might be a good time to switch to a larger diameter throttle body which will actually increase your cars horsepower (find out more at this link). Note: These procedures are a little tricky to do. With regards to the TPS recall - as our GM tech (Matt) has indicated, this is a pretty common problem over a lot of years/makes but an easy fix. © This loss of air causes the 8.1-L V8 engine to miss or stall. 3. When the throttle body is cleaned, the entire air intake system should be inspected. Once the hoses begin to leak, air is released into the engine compartment and not into the engine. I have same problem on my 07 silverado, code for stabilitrak problems and fuel injector 8; this the third time time happen, I has replaced the brake light switch (29.95) each time before, this always seem to work, it restored curse control, brakes light,lack of power,rough shifting,and stabilizing service message, reset code and … The air intake system is responsible for providing the air part of this equation. Can't express how much I appreciated his help and communication! 2010 Chevy silverado 1500 with 5.3l. The Chevrolet 8.1-L V8 engine has reports of throttle body problems affecting the operation of the engine. How long have you had this problem? The TPS sensor monitors how open the throttle is (ie. Throttle body sensor failure – Chevy 6.0. the problem I'm have is high acceleration. Once more air is permitted into the engine, more fuel is allowed to enter the cylinder heads. January 05, 2021. He received his bachelor's degree in public relations from Argosy University. Recommended other necessary services along with the original repairs that have helped our vehicle become usable again. Once you begin to use the accelerator, it opens up allowing full air flow. I wouldn't get crazy worrying about a little idle roughness though, big V8s and cheap gas can give you that problem. Your entire air intake system should be thoroughly examined during routine maintenance and servicing. i cleaned my throttle body and mass air flow sensor. Chevrolet Silverado: Why is Cruise Control Not Working? More fuel gives the engine more power when this power is not required. The throttle shaft and plate can bind and stick. Ever since the body style change in 2014 I've wanted a new Silverado. First was at around 8000 miles. Get a can of Throttle body cleaner and a toothbrush. i changed the fuel filter already and sprayed throttle body cleaner but didnt get to run it enough to see if the cleaner made a difference, any help would be greatly … Thanks again, Dan! They provide you convenience by coming to your home or office. This carbon problem makes the throttle body valve stick in place. In an ETC system, the control module uses a pair of APP sensors as a primary input for control of the throttle motor/ throttle blade. The throttle body acts as carburetor in the 8.1-L V8, which controls the amount of air allowed into the engine body. Dirty Throttle Body. 1. Step 7: Inspect the edges of the throttle body for wear and carbon buildup. To correct any accidental changes in throttle body calibration, use these procedures to recalibrate. Have a helper turn the key on and slightly depress the pedal. Your Silverado's throttle body is an air-intake butterfly valve that regulates air flow. The idle control valve sits on the throttle body and is responsible for adjusting the amount of air that enters the engine at idle, ultimately controlling engine idle speeds. This article will discuss cracked cylinder heads, weak valve lifters, worn valve seals, and positive crankcase ventilation (PCV) fouling. At idle, the valve blocks a small amount of air from entering the engine, keeping idle RPM’s low. Horacio Garcia has been writing since 1979, beginning his career as the spokesperson for Trinity Broadcast Network. 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. Very professional and communicated clearly what was wrong with the engine and how to fix it. I went back and talked with the service guy who said there was a lot of carbon buildup on the backside butterfly valve and it would not open …