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DTC P0441 & P0446: EVAP System Malfunction: Notes

DTC P0441 & P0446 DEFINITION

DTC Definition
P0441 Incorrect EVAP Purge Flow
P0446 Vent Control Malfunction
CAUTION: If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.