The TPS (Throttle Position Sensor) is the sensor that monitors the position of the butterfly valve of the throttle, allowing it to communicate with the computer so that it can adjust the injection and control the mixture of air and fuel. Some vehicles also include a similar sensor in the accelerator pedal called “APP sensor”.
The TPS sensor is located in the throttle body. If your vehicle has an automatic transmission, the TPS sensor also influences the control of the gears.
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