Cylinder 3 Fuel Injector A Offset Learning At Max Limit
The per-cylinder injector offset on cylinder 3 has reached its maximum value — the injector is delivering significantly less fuel than the calibrated reference, and the controller cannot trim it any further.
Affected components
- Fuel injector
Common causes
- High likelihood: Injector under-delivering
Possible symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.