Cylinder 1 Injector Circuit Performance
The injector drive circuit for cylinder 1 does not respond as expected. Pulse width or current feedback differs from the commanded value, indicating a wiring, driver or solenoid problem.
Affected components
- Injector
- Injector wiring
- Ecm
Common causes
- High likelihood: Injector winding open or shorted
- Medium likelihood: Wiring or connector damaged
- Low likelihood: ECM injector driver damaged
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
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.