Checking the throttle position sensor (TPS)

From BMW E34 Encyclopedia

Overview[edit]

The throttle position sensor is used to determine the position of throttle body butterfly flap (open .vs closed).

Accessing[edit]

The sensor is located on the passenger side of the throttle body.

Resistance Testing[edit]

Throttlepositiontesting.GIF

Structural Check[edit]

Remove the sensor and check for any cracks or breaks within the plastic plug that wraps around the metal guide outside the throttle body.