P02A2
Cylinder 3 - Fuel Trim at Max Limit
P02A2 is an OBD-II diagnostic trouble code meaning: Cylinder 3 - Fuel Trim at Max Limit. Common causes: dirty or faulty fuel injectors, air leaks in the intake manifold. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Power Loss
- Misfire in cylinder 3
Causes
- Dirty or faulty fuel injectors
- Air leaks in the intake manifold
- Malfunction of the oxygen sensor (lambda probe)
- Problems with the Exhaust Gas Recirculation (EGR) system
- Malfunction of the mass air flow sensor (MAF)
- Dirty air filter
How to Fix
- Check fuel injectors for contamination or malfunction
- Inspect the intake manifold for air leaks
- Check the operation of the oxygen sensor (lambda probe)
- Diagnose the EGR system for faults
- Check the condition of the mass air flow sensor (MAF)
- Replace the air filter if it is dirty
Related codes
Error P02A2 by Vehicle Brand
FAQ
What does the P02A2 code mean?
P02A2 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 - Fuel Trim at Max Limit
What causes a P02A2 error code?
The most common causes of P02A2 include: Dirty or faulty fuel injectors; Air leaks in the intake manifold; Malfunction of the oxygen sensor (lambda probe); Problems with the Exhaust Gas Recirculation (EGR) system.
How do I fix a P02A2 diagnostic trouble code?
To fix P02A2: Check fuel injectors for contamination or malfunction. Inspect the intake manifold for air leaks. Check the operation of the oxygen sensor (lambda probe). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02A2?
Limited driving only, diagnose soon
How much does it cost to fix P02A2?
The estimated repair cost for P02A2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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