P231E
Cylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance
P231E is an OBD-II diagnostic trouble code meaning: Cylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance. Common causes: dirty or faulty fuel injectors, problems with the ignition system (plugs, coils). Estimated repair cost: $17–133.
Symptoms
- Uneven engine operation
- Increased vibrations
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Is On
Causes
- Dirty or faulty fuel injectors
- Problems with the ignition system (plugs, coils)
- Vacuum leaks in the area of cylinder 11
- Oxygen sensor malfunction
- Compression problems in cylinder 11
How to Fix
- Check the condition of the fuel injectors, clean or replace if necessary.
- Check the ignition system (spark plugs, coils) of cylinder 11
- Check the tightness of the intake tract for vacuum leaks
- Check oxygen sensor readings
- Measure compression in cylinder 11
Related codes
Error P231E by Vehicle Brand
FAQ
What does the P231E code mean?
P231E is an OBD-II diagnostic trouble code that indicates: Cylinder 11 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance
What causes a P231E error code?
The most common causes of P231E include: Dirty or faulty fuel injectors; Problems with the ignition system (plugs, coils); Vacuum leaks in the area of cylinder 11; Oxygen sensor malfunction.
How do I fix a P231E diagnostic trouble code?
To fix P231E: Check the condition of the fuel injectors, clean or replace if necessary.. Check the ignition system (spark plugs, coils) of cylinder 11. Check the tightness of the intake tract for vacuum leaks. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P231E?
Yes, but get it checked soon
How much does it cost to fix P231E?
The estimated repair cost for P231E is $17–133. Actual cost depends on your vehicle, location, and labor rates.
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