Posts Tagged: reference voltage

Throttle position sensor TPS

Diagnose and Replace throttle position sensor TPS A throttle position sensor is just like a rotating volume control on your radio or TV. Instead of turning the knob by hand to “pump up the gas,” the throttle position sensor  connects to the throttle plate shaft or to the throttle cable. Its job is to tell the powertrain control module (PCM) where your foot is on the pedal. In newer cars, the TPS is located right on the gas pedal. The manufacturers eliminated the cable to the throttle body and rely … Read More