Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Malibu, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- HO2S 2 signal voltage remains at 408-512 millivolts for more than 90 seconds.
- There is a Throttle Position (TP) sensor angle change of more than 8 percent, at least twice during the test period.