Powertrain
generic / SAE
P051F
PCV Filter Restriction
The pressure or flow sensor in the PCV path detects increased restriction across the oil-mist filter element. Once saturated with oil mist, the filter no longer passes blow-by gas, raising crankcase pressure and pushing oil past seals.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 1F
Possible causes
- PCV filter saturated with oil mist high
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 40–200 €
- Estimated time: 0.3–1 h
- Component: pcv filter
- Component: crankcase pressure sensor a
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012