Possible Causes

ECM illuminates MIL and sets DTC P0441 when EVAP control system does not operate properly, or there is a leak between intake manifold and EVAP Control System Pressure Sensor (EVAP-CSPS). Possible causes are:

• EVAP Canister Purge Volume Control Solenoid Valve (EVAP-CPVCSV) stuck closed.
• Poor, loose, corroded or damaged terminal connections.
• 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).