Powertrain
generic / SAE
P052E
PCV Regulator Valve Performance
The crankcase ventilation regulator valve - which throttles blow-by gas flow toward the intake based on engine load - is electrically intact but does not deliver the modelled pressure regulation. Either the valve diaphragm is fatigued or the spring is weak.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 2E
Possible causes
- Diaphragm fatigued high
- Regulator spring weak medium
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–250 €
- Estimated time: 0.4–1.4 h
- Component: pcv regulator valve
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012