What P0441 means
The evaporative emissions system is not purging fuel vapour at the expected rate.
Common causes
- Failed purge valve
- Blocked or cracked purge line
- Faulty vent valve
- Loose fuel cap
How it is usually fixed
- 1Tighten or replace the fuel cap first
- 2Test the purge valve for correct operation and sealing
- 3Inspect the hoses
Other common codes
- P0011 — Camshaft Position A – Timing Over-Advanced (Bank 1)
- P0030 — HO2S Heater Control Circuit (Bank 1, Sensor 1)
- P0101 — Mass Air Flow Circuit Range/Performance
- P0113 — Intake Air Temperature Sensor Circuit High
- P0118 — Engine Coolant Temperature Sensor Circuit High
- P0131 — O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1)
Code information is general guidance, not a diagnosis for a specific vehicle. Confirm with live data and manufacturer test procedures before replacing parts.