P0441
Refer to DTC P0441: EVAPORATIVE EMISSION SYSTEM INCORRECT PURGE FLOW .
P0456
Refer to DTC P0456: EVAPORATIVE EMISSION SYSTEM LEAK DETECTED (VERY SMALL LEAK) .
P2404
Refer to DTC P2404: EVAPORATIVE EMISSION SYSTEM LEAK DETECTION PUMP SENSE CIRCUIT RANGE / PERFORMANCE .