Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- The fuel trim index is less than -46 percent.
- The diagnostics have determined that a rich condition was not due to excessive vapor.