What P0441 means
Evaporative Emission Control System Incorrect Purge Flow
Common causes (general)
Before spending money on parts, verify the code with a scan tool and read freeze frame data. Freeze frame captures every sensor value at the moment the code set — this is often enough to figure out the root cause without further testing.
Manufacturer-specific descriptions
Different manufacturers use this code for slightly different failure modes. Here's what your specific make means by P0441:
| AUDI | Missing fuel cap, Stuck open or closed purge valve, Defective or damaged fuel cap, Distorted damaged or cracked Fuel Tank Filler Neck, Torn or punctured Evaporative system hose(s), Defective Fuel Tank Sending Unit gasket or seal, Split or damaged Carbon Canister, Defective Evaporative Vent Valve, Defective or damaged fuel tank |
| BMW | Evaporative Emission System Incorrect Purge Flow |
| FORD | Evaporative Emission Control System Incorrect Purge Flow |
| HONDA | Evaporative Emission (EVAP) Control System Incorrect Purge Flow |
| MITSUBISHI | Evaporative Emission Control System Incorrect Purge flow; Purge flow |
| NISSAN | Evaporative Emission Control System Incorrect Purge flow |
| VOLKSWAGEN | Evaporative Emission Control System Incorrect Purge Flow |
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