Possible Causes

Malfunction is detected when EVAP control system does not operate properly, or there is a leak between intake manifold and EVAP-CSPS. Possible causes are:

• EVAP-CPVCSV stuck closed.
• Faulty EVAP-CSPS or circuit.
• Loose, disconnected or improper connection of hoses.
• Blockage in hoses.
• Cracked EVAP canister.
• Faulty EVAP-CPVCSV circuit.
• Blocked purge port.
• Defective EVAP Canister Vent Control Valve (EVAP-CVCV).