Cylinder 4 Fuel Heater Performance
Cylinder 4 fuel heater is electrically intact yet does not deliver the expected heat - aged element or contact resistance high.
Affected components
- Fuel heater cyl 4
Common causes
- High likelihood: Heater element aged
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.