EVAP purge flow is not within the expected range.
SYMPTOMS
- Check-engine light
- Occasional fuel odor
LIKELY CAUSES
- Stuck or failed purge valve
- Hose blockage or leak
- Vent valve fault
DIAGNOSIS STEPS
- Test purge valve operation
- Inspect hoses
- Smoke-test the system
RELATED PARTS
- Purge valve
- EVAP hoses