P051E
Crankcase Pressure Sensor A Circuit Intermittent/Erratic
P051E is an OBD-II diagnostic trouble code meaning: Crankcase Pressure Sensor A Circuit Intermittent/Erratic. Common causes: open or short circuit in wiring harness, poor contact in the sensor connector. Estimated repair cost: $22–56.
Symptoms
- Check Engine Light Is On
- Unstable engine operation
- Increased oil consumption
- Increased emissions
Causes
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Crankcase pressure sensor malfunction
- Problems with the crankcase ventilation (PCV) system
How to Fix
- Check wiring harness and connectors for damage
- Clean the contacts of the sensor connector
- Check the resistance of the crankcase pressure sensor
- Replace sensor if necessary
- Check the crankcase ventilation (PCV) system
Related codes
Error P051E by Vehicle Brand
FAQ
What does the P051E code mean?
P051E is an OBD-II diagnostic trouble code that indicates: Crankcase Pressure Sensor A Circuit Intermittent/Erratic
What causes a P051E error code?
The most common causes of P051E include: Open or short circuit in wiring harness; Poor contact in the sensor connector; Crankcase pressure sensor malfunction; Problems with the crankcase ventilation (PCV) system.
How do I fix a P051E diagnostic trouble code?
To fix P051E: Check wiring harness and connectors for damage. Clean the contacts of the sensor connector. Check the resistance of the crankcase pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P051E?
Limited driving only, diagnose soon
How much does it cost to fix P051E?
The estimated repair cost for P051E is $22–56. Actual cost depends on your vehicle, location, and labor rates.
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