Powertrain
generic / SAE
P0441
Evaporative Emission System Incorrect Purge Flow
The actual purge flow does not match the commanded value. Usually a purge valve stuck closed (no flow) or stuck open (too much flow at idle). Distinct from a leak code.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 41
Possible causes
- Purge valve stuck open or closed high
- Purge hose kinked or restricted medium
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Inspection / repair
- Difficulty: easy
- DIY: possible
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References
sae:J2012