P0441 Evaporative Emission System Incorrect Purge Flow: Causes, Diagnosis, and Repair

P0441 Evaporative Emission System Incorrect Purge Flow

The P0441 diagnostic trouble code indicates that the powertrain control module (PCM) has detected a flow rate in the evaporative emission control system’s purge circuit that does not match expected values during the system’s self-test. The EVAP system captures fuel vapors from the gas tank and routes them to the engine intake for combustion rather […]