LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Oldsmobile >> 1998 >> Eighty-Eight LS >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control Systems Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0121 - TP Sensor System Performance >> Circuit Description
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Circuit Description

Throttle Position (TP) sensor measures amount of throttle opening. PCM uses TP sensor information for fuel delivery calculations. TP sensor readings during acceleration are much higher than those during deceleration or idle.

Conditions required to set DTC are: