... Throttle Position Sensor Problem on Chevrolet Silverado. Check engine light; Reduced Power message; OBD trouble code P2135; This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS. The throttle body is cleaned The engine control module (ECM) is replaced The idle air control valve (IAC) is replaced Power disconnection (battery cable, ECM fuse, etc.) Replaced throttle body on my 2008 Silverado due to tps code. May have TPS - throttle position sensor problem or the APP sensor . 5.3l, Replaced - Answered by a verified Chevy Mechanic ... Ive Got A 91 Silverado 350 With Some Idle Problems. . I changed my throttle position sensor in a 2008 Silverado 5.3 and now my engine is on reduced power its also telling me I need to service my stabilitrack and traction control. 5.7L (350CI) Throttle Body Injected automatic with 126,000 miles. . The dealer replaced the throttle body claiming the original had a … Got here the other night and my truck was purring like a kitten within five minutes. If you have questions about the ordering or installation process, get trustworthy advice provided by helpful staff at your nearest AutoZone location, and take advantage of free battery charging and engine diagnostic testing at the same time. Removing it and replacing it with a shiny, new throttle position sensor (TPS), or a … This allows too much air into the engine cylinders, causing the engine to misfire. could this be - Answered by a verified Chevy Mechanic Get Yours Today! The issue could also be an incorrectly adjusted throttle … All sensors on the throttle body are new, tps, map sensor, iac, new fuel pump, new fuel filter. The reduce engine power has to do with the ETC electronic throttle control . In the quest for more air, the throttle body is the last assembly that can be modified before air enters the engine. I called the dealership to get a price and they wanted $275 and $60 for the gasket. Throttle body sticking on 1999 chevy Silverado. The most common symptoms of a bad throttle body are check engine light, rough idle, high idle-RPM, rough acceleration, and poor engine performance.. This article applies to the Chevrolet Silverado GMT900 (2007-2013). Chevy Silverado 4.8L / 6.2L 2011, Throttle Body Spacer by Volant®. What's it gonna take to - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Vacuum leaks can disrupt the air/fuel flow due to an imbalance of air flow which can cause throttle body pressure problems. Top 7 Bad Throttle Body Symptoms. This 'juice' is in the form of 5 Volts that the Throttle Actuator Control (TAC) Module provides. Here is a more detailed list of the most common bad throttle body symptoms. Chevrolet Silverado 2007-2013: How to Replace Throttle Body. (Delphi ECM only) Turn the ignition ON. 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. So I Pulled My Throttle Body To Clean It. The Chevy 8.1-L V8 engine has a problem with carbon building up in the throttle body. Once more air is permitted into the engine, more fuel is allowed to enter the cylinder heads. Bad Throttle Body? The throttle position sensor (TPS) on the Chevrolet Silverado 1500 is notorious for failure which causes:. Your Silverado's throttle body is an air-intake butterfly valve that regulates air flow. Chevy Silverado 4.8L / 5.3L / 6.0L 2001, Throttle Body Spacer by Volant®. Our list of 16 known complaints reported by owners can help you fix your 2011 Chevrolet Silverado 1500. In the quest for more air, the throttle body is the last assembly that can be modified before air enters the engine. 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