Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- The HO2S signal voltage is steady between 400-475 mV for 150 seconds.
- The Throttle Position (TP) changes more than 5 percent within 1 second, 6 times.