P1250 GMC - Early Fuel Evaporation Heater Circuit
- Faulty Early Fuel Evaporation (EFE) resistor
- Early Fuel Evaporation (EFE) resistor harness is open or shorted
- Early Fuel Evaporation (EFE) resistor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1250 Gmc DescriptionWith the engine running, BARO input over 75 kPa, Intake Air Temperature (IAT) input from 14-122°F, fuel level over 25% then the Powertrain Control Module (PCM) detects that the Early Fuel Evaporation (EFE) resistor circuit voltage was below 2.5v with the EFE heater off, or the circuit voltage was over 0.3v with the EFE heater on for 5 seconds.
Need more help?Get the P1250 Gmc code diagnosed by a professional: Find a repair shop in your area
P1250 GMC CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1250 Gmc code? Have you replaced any parts?
Any information is appreciated. Thanks