OBD-II code guide
P0441 EVAP Incorrect Purge Flow
P0441 means purge flow through the EVAP system is not what the computer expected.
What it means
Fuel vapor flow may be happening at the wrong time or not enough when commanded.
Common symptoms
- Check engine light
- Fuel smell
- Hard start after refueling
- Rough idle
- Usually normal driving
Likely causes
- Stuck purge valve
- Blocked EVAP line
- Vent valve issue
- Charcoal canister problem
- Vacuum hose problem
First checks
- Notice if hard starts follow refueling.
- Inspect purge valve hoses.
- Check for related P0440 or P0455 codes.
- Use smoke testing for leak suspicion.