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Home >> GMC >> 1982 >> S15 Pickup 2.8L Eng VIN B, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Computer Command Control >> Operation >> Data Sensors >> Throttle Position Sensor (TPS)

Throttle Position Sensor (TPS)

This sensor is mounted on the carburetor. It is a variable resistor, similar to fuel tank sending unit, which signals ECM of changes in throttle blade position from closed to wide open throttle.