DTC P0441: EVAP System - Incorrect Purge: Condition

DTC P0441 is set when Engine Control Module (ECM) detects changes in both calculated load value and Idle Air Control (IAC) flow rate are lower than specification while EVAP purge rate is changed. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• ECM malfunction.
• EVAP canister plugged.
• EVAP Canister Purge Valve (EVAP-CPV) malfunction.
• EVAP-CPV circuit malfunction.
• EVAP control system vacuum hoses malfunction.