P236E
Cylinder 12 Pressure Variation High
P236E is an OBD-II diagnostic trouble code meaning: Cylinder 12 Pressure Variation High. Common causes: compression problems in the cylinder, worn piston rings. Estimated repair cost: $22–167.
Symptoms
- Uneven engine idle
- Power Loss
- Increased fuel consumption
- Engine vibration
- Check Engine Indication
Causes
- Compression problems in the cylinder
- Worn piston rings
- Fuel injector malfunction
- Problems with valves (stuck, burnout)
- Defective ignition system (plugs, coils)
How to Fix
- Check compression in cylinder
- Inspect the condition of the spark plugs
- Diagnose fuel injector operation
- Check hydraulic compensators and valve mechanism
- Analyze the readings of the cylinder pressure sensor (if equipped)
Related codes
Error P236E by Vehicle Brand
FAQ
What does the P236E code mean?
P236E is an OBD-II diagnostic trouble code that indicates: Cylinder 12 Pressure Variation High
What causes a P236E error code?
The most common causes of P236E include: Compression problems in the cylinder; Worn piston rings; Fuel injector malfunction; Problems with valves (stuck, burnout).
How do I fix a P236E diagnostic trouble code?
To fix P236E: Check compression in cylinder. Inspect the condition of the spark plugs. Diagnose fuel injector operation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P236E?
Do not drive — repair immediately
How much does it cost to fix P236E?
The estimated repair cost for P236E is $22–167. Actual cost depends on your vehicle, location, and labor rates.
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