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Your vehicle's computer control system receives information from a variety of sensors. It uses this information to control engine operation for opt...
Vehicle speed sensors (VSS) are used in late model vehicles to monitors vehicle speed.
The Throttle Position Sensor (TPS) monitors the position of the throttle as it opens and closes, as well as the rate at which the throttle is openi...
The oxygen (O2) sensor is the principal sensor in the fuel mixture feedback control loop.
The manifold absolute pressure (MAP) sensor is essentially an electronic version of the vacuum advance diaphragm used in mechanical distributors.
The Mass Air Flow (MAF) sensor monitors the volume of air (airflow and air density) entering the engine.
The Knock Sensor is an auxiliary sensor that is part of the electronic spark control circuit.
The EGR Valve Position (EVP) Sensor is used on most Ford vehicles equipped with EEC-IV Electronic Engine Control systems to monitor the position of...
Elimination of the distributor in modern vehicles created the need for an alternate means of monitoring engine RPM and crank position, determining ...
The coolant temperature sensor monitors engine coolant temperature.
The barometric pressure (BARO) sensor monitors changes in atmospheric pressure (air density) associated with changes in elevation or ambient weathe...
On certain vehicles, the air temperature sensor monitors the temperature of the air entering the engine during warm-up (while the engine is cold).
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