FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Fault Conditions




P0444

EVAP Purge Valve Circuit. Open/Short to Ground.







Fault symptoms

- CHECK ENGINE.
- Possible smell of petrol or misfiring.

On-Board Diagnostics

Type of diagnosis:
- Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria:
- Engine running. Main relay voltage exceeding 10V. Output not active.