Cold Start Fuel Injection Control Circuit Range/Performance
Cold-start injector drive is electrically OK but does not deliver the calibrated injection quantity — partial blockage or weak coil.
Affected components
- Cold start injector
Common causes
- High likelihood: Nozzle partially blocked
- Low likelihood: Sensor element aged beyond calibration window
- Low likelihood: Sensor mounting loose - signal damping
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.