P052E OBD II Trouble Code Positive Crankcase Ventilation Regulator Valve Performance
How to easily diagnose, repair, and info on causes of a P052E trouble code which indicates a detected performance problem within the PCV - positive crankcase ventilation - regulator valve.
Symptoms of P052E OBD II Trouble Code
- Engine oil leaks
- Smoke (steam) from underhood area
- Hissing (sucking) noise from engine area
- Drivability issues created by a vacuum leak
Common Causes of P052E OBD II Trouble Code
- Bad PCV regulator valve
- Faulty PCV valve
- Defective crankcase pressure sensor
- Open or shorted PCV regulator valve/crankcase pressure sensor wiring
- PCM malfunction or PCM programming error
Severity of P052E OBD II Trouble Code
Incorrect crankcase pressure may result in engine oil leaks. A code P052E should be categorized as severe and addressed accordingly.