P02AB
Cylinder 5 - Fuel Trim at Min Limit
P02AB is an OBD-II diagnostic trouble code meaning: Cylinder 5 - Fuel Trim at Min Limit. Common causes: fuel injector malfunction (leaking or clogged), problems with the ignition system in cylinder 5. Estimated repair cost: $33–167.
Symptoms
- Uneven engine operation
- Power reduction
- Increased fuel consumption
- Misfire in cylinder 5
Causes
- Fuel injector malfunction (leaking or clogged)
- Problems with the ignition system in cylinder 5
- Vacuum leak
- Low fuel pressure
- Problems with the oxygen sensor
How to Fix
- Check the functionality of the injector of cylinder 5
- Test the ignition system (plugs, coils)
- Check the tightness of the intake tract
- Measure fuel pressure
- Check oxygen sensor readings
Related codes
Error P02AB by Vehicle Brand
FAQ
What does the P02AB code mean?
P02AB is an OBD-II diagnostic trouble code that indicates: Cylinder 5 - Fuel Trim at Min Limit
What causes a P02AB error code?
The most common causes of P02AB include: Fuel injector malfunction (leaking or clogged); Problems with the ignition system in cylinder 5; Vacuum leak; Low fuel pressure.
How do I fix a P02AB diagnostic trouble code?
To fix P02AB: Check the functionality of the injector of cylinder 5. Test the ignition system (plugs, coils). Check the tightness of the intake tract. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02AB?
Limited driving only, diagnose soon
How much does it cost to fix P02AB?
The estimated repair cost for P02AB is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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