Powertrain
generic / SAE
P043E
EVAP System Leak Detection Reference Orifice Low Flow
During the EVAP leak-detection self-test, the calibration airflow through the reference orifice is below the expected rate. The orifice may be partially blocked.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 3E
Possible causes
- Reference orifice partially blocked 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
- Component: evap canister
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012