P0441low severityPowertrain
EVAP Incorrect Purge Flow
on 2016 Audi A6 3.0L Supercharged V6 · AWD
What this code means
The EVAP system purge flow is not as expected.
Symptoms
- Check Engine Light
- Failed emissions
Common causes
- Faulty purge valve (stuck open or closed)
- Disconnected purge hose
- Blocked purge port
- Faulty vent valve
Diagnostic steps
- Test purge valve operation
- Check purge flow with scan tool command
- Inspect hoses
- Test vent valve
Repair notes
Replace purge valve. Check hoses for cracks or disconnection.
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