P2A8C — 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.
General code reference. Confirm the definition and diagnostic procedure for your vehicle's year, model and engine. A stored code alone does not identify a failed part.
Affected components
- Alt fuel vaporizer b
- Engine coolant circuit
- Afcm
Possible causes to check
These are possible checks, not a ranked diagnosis. Follow the vehicle manufacturer's test procedure before replacing parts.
- Coolant flow through vaporizer reduced
- 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
Check each reference's vehicle and model-year scope. General background links do not establish which fault is most likely on your vehicle.
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.