16825low severityPowertrain
Evaporative Emission Control System Malfunction
on 2003 Audi A6 3.0L V6 · AWD
What this code means
A general fault is detected in the EVAP system (OBD P0441). Incorrect purge flow can trigger the check engine light.
Symptoms
- Check engine light
- Fuel smell
- Failed emissions test
Common causes
- Faulty purge valve
- Loose or damaged gas cap
- Vacuum leak in EVAP lines
- Faulty canister
Diagnostic steps
- Read fault codes
- Inspect gas cap and seal
- Test purge valve operation
- Perform EVAP leak test
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