1/28/2024 0 Comments Shotbot pours when sensor goes off![]() Replacing the TPS will include clearing relevant fault codes, and may require software reprogramming of the new TPS module to match other engine management software. Once the TPS begins to fail, even partially, you’ll need to replace it right away. This is intended to at least allow a driver to get off a busy highway in a safer manner. Also, most manufacturers provide a “limp home” mode of operation with reduced power if a failure is detected. In most cases, the Check Engine Light is illuminated if a TPS failure is detected. This sensor can fail gradually, or all at once. It can also cause problems when changing gears, or setting base ignition timing. The throttle position sensor can fail in several ways, all of which result in poor fuel economy at best, and performance limitations that may create a safety hazard for you and other motorists at worst. If the throttle position sensor and its other sensor partners do their jobs correctly, your car accelerates, cruises, or coasts smoothly and efficiently, as you expect, while maintaining optimum fuel economy. The collected data determines precisely how much fuel to inject into the engine at any given moment. The TPS signal is continually measured and combined many times per second with other data such as air temperature, engine RPM, air mass flow, and how quickly the throttle position changes. The TPS provides the most direct signal to the fuel injection system of what power demands are being made by the engine. 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.
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