Cylinder 1 Injection Pulse Offset Exceeded Learning Limit
The injection pulse offset adaptation for cylinder 1 exceeds the calibrated learning window. Injector aging or fuel pressure drift beyond compensation.
Affected components
- Fuel injector cyl 1
- Ecm
Common causes
- High likelihood: Injector worn beyond compensation range
- Medium likelihood: Fuel rail pressure drift
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
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.