P02B6
Cylinder 8 - Fuel Trim at Max Limit
P02B6 is an OBD-II diagnostic trouble code meaning: Cylinder 8 - Fuel Trim at Max Limit. Common causes: dirty or faulty injector of cylinder 8, air leak in intake manifold. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Misfires
Causes
- Dirty or faulty injector of cylinder 8
- Air leak in intake manifold
- Oxygen sensor malfunction
- Problems with the fuel pump or pressure regulator
- Dirty or damaged injector wiring harness
How to Fix
- Check the injector of cylinder 8 for contamination or malfunction
- Check the tightness of the intake tract
- Check the operation of oxygen sensors
- Check fuel pressure and condition of the fuel pump
- Inspect the injector wiring harness for damage.
Related codes
Error P02B6 by Vehicle Brand
FAQ
What does the P02B6 code mean?
P02B6 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 - Fuel Trim at Max Limit
What causes a P02B6 error code?
The most common causes of P02B6 include: Dirty or faulty injector of cylinder 8; Air leak in intake manifold; Oxygen sensor malfunction; Problems with the fuel pump or pressure regulator.
How do I fix a P02B6 diagnostic trouble code?
To fix P02B6: Check the injector of cylinder 8 for contamination or malfunction. Check the tightness of the intake tract. Check the operation of oxygen sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02B6?
Limited driving only, diagnose soon
How much does it cost to fix P02B6?
The estimated repair cost for P02B6 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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