Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information EFI-123, EFI-411 and EFI-251 or EFI-314

Condition
See text corresponding to each of the diagnostic trouble codes (DTCs):
- Diagnostic trouble code (DTC) information EFI-411 Diagnostic Trouble Code (DTC) Information
- Diagnostic trouble code (DTC) information EFI-251 Diagnostic Trouble Code (DTC) Information
- Diagnostic trouble code (DTC) information EFI-314 Diagnostic Trouble Code (DTC) Information

Substitute value
As above.

Possible source
- Open-circuit or loose connections in the ground lead.

Fault symptom[s]
Car feels sluggish.
High idling speed in neutral.
Fan runs on for 3 minutes.
Difficult to start.