Alternative Fuel Vaporizer B Performance
The AFCM detects that vaporizer B does not heat the alternative fuel from liquid to vapour within the calibrated time and temperature window. Liquid carry-over to the rail is possible.
Affected components
- Alt fuel vaporizer b
- Engine coolant circuit
- Afcm
Common causes
- High likelihood: Coolant flow through vaporizer reduced
- Medium likelihood: Heat exchanger surface fouled
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.