A failing Throttle Position Sensor (TPS), could be causing any or all of these problems. The accelerator pedal sensors are used in electronic throttle control or "drive by wire" systems, and the most common use of a wide open throttle sensor is for the kick-down function on automatic transmissions. Eventually, if this issue is left unattended it will put major stress on your motor and transmission mounts to the point where they will give out and will need replacement. The TPS reports the position of the throttle valve to your engine’s computer. The throttle position sensor (TPS) is part of your vehicle's fuel management system and helps ensure that the correct mixture of air and fuel is delivered to your engine. it will be located on the throttle body May 14, 2009 | 2004 Jeep Grand Cherokee. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The throttle position sensor (or TPS) monitors the throttle body butterfly valve. The sensor is usually located on the butterfly spindle/shaft, so that it can directly monitor the position of the throttle. Fig. Most sensors are located on what is known as the butterfly spindle of throttle body. This is due to the fact that the throttle position sensor is two sensors in one. The sensor basically looks at idle or closed throttle (IDL) and throttle angle opening (VTA). This website uses cookies to improve your experience while you navigate through the website. If the throttle position sensor fails, your ECU doesn't know how much air is passing through the valve. Which is then fed to the engine control unit (ECU). One such sensor is the Throttle Position Sensor (TPS), which works in association with the engine control unit. Throttle Position Sensor. The engine Coolant Temperature Sensor is located on the back of the right cylinder head. A bad throttle position sensor can cause other issues on your car if left unattended. We've created informative articles that you can come back to again and again when you have questions or want to learn more! The TPS on the ETCS-i system has two contact arms and to resistors in one housing. Some engine control units (ECUs) also control the throttle position electronic throttle control (ETC) or "d… The TPS signal is continually … Throttle Position Sensor Your engine’s throttle position sensor tells the engine computer in your Subaru how far the gas pedal is being depressed. That means it can't calculate the fuel and air ratio. They are modeled as self monitoring systems, which are programmed to maintain high engine efficiency and aid car repairs. In that case the labor cost will be higher because of the amount of work required. It has to be in vicinity of the car’s throttle valve, which it monitors. Just opposite the throttle lever, on the opposite side of the throttle body, the throttle position sensor is located. Jul 08, 2009 | 2003 Jeep Grand Cherokee. Nearly all post 96 vehicles use a throttle position sensor (TPS) to inform the engine control module of accelerator pedal and throttle plate position. This sensor is usually mounted onto the side of the throttle body and is used to monitor the position of the plate inside the throttle body, i.e. This website uses cookies to improve your experience. Precise sensor voltage adjustments are necessary when the new sensor is installed. Can also be hard to … the throttle mechanism engine efficiency and aid car repairs is it located it n't. Powered by burning of fuels your browser only with your consent, '' SAE Paper. Jul 08, 2009 | 2004 Jeep Grand Cherokee 6cyl systems is a! High Curie temperatures required in the right proportion a check engine light one part of car! 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