Powertrain
generic / SAE
P053E
Crankcase Pressure Too High
The crankcase pressure sensor reports a value above the safe upper threshold. Excessive crankcase pressure pushes oil past seals and contaminates the PCV path with mist - causes are clogged PCV system, frozen breather hose, or excessive blow-by from worn rings.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 3E
Possible causes
- PCV path blocked or frozen high
- Excessive blow-by from worn rings medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 60–1500 €
- Estimated time: 0.4–6 h
- Component: crankcase
- Component: pcv valve
- Component: cylinder compression
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012