P02AF
Cylinder 6 - Fuel Trim at Min Limit
P02AF is an OBD-II diagnostic trouble code meaning: Cylinder 6 - Fuel Trim at Min Limit. Common causes: cylinder 6 injector leaking (leaking valve), increased fuel pressure on cylinder 6. Estimated repair cost: $33–167.
Symptoms
- Increased fuel consumption
- Smell of gasoline in exhaust fumes
- Unstable engine operation
- Cylinder 6 spark plug fouled
- Check Engine Light Illuminates
Causes
- Cylinder 6 injector leaking (leaking valve)
- Increased fuel pressure on cylinder 6
- Fuel pressure regulator malfunction
- Nozzle contamination (stuck in open position)
- Incorrect ECU calibration
How to Fix
- Read codes and check for adjacent codes
- Check the cylinder 6 injector for leakage (leakage test with the engine off)
- Measure the pressure in the fuel rail
- Carry out ultrasonic cleaning of the nozzle
- Check fuel pressure regulator
- If a leak is confirmed, replace the injector of cylinder 6
Related codes
Error P02AF by Vehicle Brand
FAQ
What does the P02AF code mean?
P02AF is an OBD-II diagnostic trouble code that indicates: Cylinder 6 - Fuel Trim at Min Limit
What causes a P02AF error code?
The most common causes of P02AF include: Cylinder 6 injector leaking (leaking valve); Increased fuel pressure on cylinder 6; Fuel pressure regulator malfunction; Nozzle contamination (stuck in open position).
How do I fix a P02AF diagnostic trouble code?
To fix P02AF: Read codes and check for adjacent codes. Check the cylinder 6 injector for leakage (leakage test with the engine off). Measure the pressure in the fuel rail. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02AF?
Limited driving only, diagnose soon
How much does it cost to fix P02AF?
The estimated repair cost for P02AF is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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