Probable Cause
WARNING: This page is about a different car, the 2002 Nissan Sentra. 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 Canister Purge Volume Control Valve (EVAP-CPVCV).
- Foreign matter in EVAP Canister Vent Control Valve (EVAP-CVCV).
- Leak in EVAP canister or fuel tank.
- EVAP purge line rubber tube bent or leaks.
- Leak or blockage in hose to EVAP Control System Pressure Sensor (EVAP-CSPS).
- Loose or disconnected rubber tube.
- Defective EVAP-CVCV or circuit.
- Defective EVAP-CPVCV or circuit.
- Defective Fuel Tank Temperature (FTT) sensor.
- Leak between EVAP canister and EVAP-CVCV.
- Defective water separator.
- EVAP canister saturated with water.
- Defective EVAP-CSPS.
- Defective refueling control valve.
- Defective fuel level sensor or circuit.
- Leak in On Board Refueling Vapor Recovery (ORVR) system.
- Foreign matter in EVAP Canister Purge Volume Control Solenoid Valve (EVAP-CPVCV).