Checking EVAP Vapor Lines
WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- Visually inspect the EVAP vapor lines for improper attachment, cracks, damage, loose connections, chafing, or deterioration.
- Inspect the vacuum relief valve of the fuel tank filler cap for clogging and sticking. Refer to "HOW TO DETECT FUEL VAPOR LEAKAGE ".