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A throttle position sensor (TPS) is a sensor used to monitor the throttle body valve position for the ECU of an engine. The sensor is usually located on the butterfly spindle/shaft, so that it can directly monitor the position of the throttle. More advanced forms of the sensor are also used. For example, an extra "closed throttle position ...
The throttle position sensor(s) are continually read and then the software makes appropriate adjustments to reach the desired amount of engine power. There are two primary types of Throttle Position Sensor (TPS): a potentiometer or a non-contact sensor Hall Effect sensor (magnetic device).
Electronic throttle control, throttle position sensor fault or cruise control failure (see drive by wire) [11] Stuck throttle (unrelated to pedal position) [12] [13] Shorting of tin whiskers [14] [15] Diesel engine runaway: Diesel engine power is governed by the amount of fuel supplied. Excessive pressure in the crankcase can force mist of ...
Often a throttle position sensor (TPS) is connected to the shaft of the throttle plate to provide the ECU with information on whether the throttle is in the idle position, wide-open throttle (WOT) position, or somewhere in between these extremes. Throttle bodies may also contain valves and adjustments to control the minimum airflow during idle.
2.3 Throttle position sensor (TPS) 2.4 Turbine speed sensor (TSS) 2.5 Transmission fluid Temperature sensor (TFT) 2.6 Kick down switch. 2.7 Brake light switch.
Throttle position is a data point in electronic engine control and in on-board diagnostics (OBD). In the many generations and designs of engine control units , a throttle position sensor (TPS) is typically one of the sensors providing input to the computer.
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The active valve control system (AVCS) is an automobile variable valve timing technology used by Subaru.It varies the timing of the valves by using hydraulic oil pressure to rotate the camshaft, known as "phasing", [1] in order to provide optimal valve timing for engine load conditions.