P029E
Cylinder 2 - Fuel Trim at Max Limit
P029E is an OBD-II diagnostic trouble code meaning: Cylinder 2 - Fuel Trim at Max Limit. Common causes: dirty or faulty fuel injector for cylinder 2, vacuum leak in the area of cylinder 2. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Misfire in cylinder 2
Causes
- Dirty or faulty fuel injector for cylinder 2
- Vacuum leak in the area of cylinder 2
- Oxygen sensor malfunction
- Cylinder 2 injector wiring harness problems
- Low fuel pressure
- EGR system malfunction
- Engine wear (compression problems)
How to Fix
- Check the condition of the fuel injector of cylinder 2
- Check the tightness of the intake tract for leaks
- Check the operation of the oxygen sensors and mass air flow sensor
- Check fuel pressure
- Check compression in cylinder 2
- Check the condition of the spark plug and coil of cylinder 2
- Check the operation of the EGR system
Related codes
Error P029E by Vehicle Brand
FAQ
What does the P029E code mean?
P029E is an OBD-II diagnostic trouble code that indicates: Cylinder 2 - Fuel Trim at Max Limit
What causes a P029E error code?
The most common causes of P029E include: Dirty or faulty fuel injector for cylinder 2; Vacuum leak in the area of cylinder 2; Oxygen sensor malfunction; Cylinder 2 injector wiring harness problems.
How do I fix a P029E diagnostic trouble code?
To fix P029E: Check the condition of the fuel injector of cylinder 2. Check the tightness of the intake tract for leaks. Check the operation of the oxygen sensors and mass air flow sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P029E?
Limited driving only, diagnose soon
How much does it cost to fix P029E?
The estimated repair cost for P029E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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