Cylinder 11 Injector B Air-Fuel Ratio Imbalance
On dual-injector systems (typical for some heavy-duty diesels and some petrol/gas bi-fuel applications) the secondary injector B at cylinder 11 cannot keep its mixture in balance with the rest of the bank.
Affected components
- Fuel injector b cyl 11
Common causes
- High likelihood: Injector B for cylinder 11 has drifted in flow rate
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.