Diagnostic Aids
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Malibu, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- The EVAP system tests run when the engine is first started and meets the Conditions For Running Test. See CONDITIONS FOR RUNNING TEST . An intermittent condition could be caused by an improperly installed or damaged EVAP canister purge solenoid, or by a temporary blockage in the EVAP canister purge solenoid.
- For intermittent conditions, go to INTERMITTENTS in TROUBLE SHOOTING - NO CODES - 3.1L CENTURY, GRAND PRIX & MALIBU article.