Test Description
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 number below refer to the step number on the diagnostic procedure.
- 4
This step checks if the FTP sensor is functioning. - 5
This step checks if the condition is present. - 6
This step checks the EVAP vent valve electrical operation. - 7
This step checks for a restricted EVAP vent valve. - 8
This step checks if the restriction is in the EVAP canister or the vent hose.