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Home >> Ford >> 2021 >> Expedition XL, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Memory Modules >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P1031 - Cylinder 1 Fuel Injector Heater Circuit High

P1031 - Cylinder 1 Fuel Injector Heater Circuit High

DTC DESCRIPTION P1031 - CYLINDER 1 FUEL INJECTOR HEATER CIRCUIT HIGH

Description:  This DTC sets when the PCM detects a concern with the FIH1 circuit.
Possible Causes: 
  • FIH1 circuit open
  • FIH1 circuit short to voltage
  • Damaged fuel injector heater 1
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test AB.