Possible Causes
WARNING: This page is about a different car, the 2002 Nissan Xterra and 2002 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
Malfunction is detected when EVAP control system has a leak or does not operate properly. Possible causes are:
- Incorrect fuel tank vacuum relief valve.
- Incorrect fuel filler cap.
- Fuel filler cap open or leaking.
- Foreign matter in fuel filler cap.
- Leak in hose between intake manifold and EVAP-CPVCSV.
- Foreign matter in EVAP-CVCV.
- Leak in EVAP canister or fuel tank.
- Leak or blockage in EVAP purge line.
- Leak or blockage in hose to EVAP-CSPS.
- Defective EVAP-CVCV or circuit.
- Defective EVAP-CPVCSV or circuit.
- Defective Fuel Tank Temperature (FTT) sensor or circuit.
- EVAP-CVCV "O" ring missing or damaged.
- Defective water separator.
- EVAP canister saturated with water.
- Defective EVAP-CSPS.
- Defective fuel level sensor or circuit.
- Defective refueling control valve.
- Leak in On Board Refueling Vapor Recovery (ORVR) system.
- Foreign matter caught in EVAP-CPVCSV.