Impreza Coupe FWD F4-1820cc 1.8L SOHC (1995)
Throttle Position Sensor: Description and Operation
PURPOSE/OPERATION
The throttle position sensor contains a potentiometer (variable resistor). The ECM uses this signal to adjust air/fuel ratio during acceleration,
deceleration and idle. The sensor sends the ECM a potentiometer output signal corresponding to throttle valve opening.
