Powertrain
generic / SAE
P043F
EVAP System Leak Detection Reference Orifice High Flow
During the leak-detection self-test, airflow through the reference orifice is above the expected rate — typically a leak around the orifice or a damaged seal.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 3F
Possible causes
- Leak at orifice or seal high
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: medium
- DIY: shop recommended
- Estimated cost: 80–600 €
- Estimated time: 0.7–3 h
- Component: evap leak detection pump
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012