Conditions for Setting the DTC: P0121
WARNING: This page is about a different car, the 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The TP sensor 1 disagrees more than 6.3 percent from TP sensor 2 for over 140 ms.
- The TP sensor 1 disagrees more than 9 percent from the throttle position calculated from mass air flow (MAF) signal for over 280 ms.