Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.
KG: Fuel Injector
KG: Introduction
KG1 CHECK FOR DTCS
Are DTCs P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0209 or P0210 present?
Yes | No |
|---|---|
GO to KG2 . | For symptoms without DTCs, GO to KG3 . For all others, RETURN to Section 3 , Symptom Charts for further direction. |
KG2 CHECK FOR OTHER DTCS
Note: On some vehicles, these DTCs may be accompanied by body control module (BCM) fuel pump relay DTCs or PCM fuel system related DTCs. Diagnose any BCM fuel pump relay DTCs or PCM fuel system related DTCs first.
• Clear the PCM DTCs.
• Crank the engine.
• Ignition ON, engine OFF.
• Carry out the PCM self-test.
• Carry out the BdyCM self-test.
Are any DTCs other than P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0209 or
P0210 present?
Yes | No |
|---|---|
For BCM DTCs, REFER to the applicable Workshop Manual Section to continue diagnosis. For all others, DISREGARD the current diagnostic trouble code (DTC) at this time. DIAGNOSE the next DTC. GO to Section 4, Diagnostic Trouble Code (DTC) Charts and Descriptions. | GO to KG3 . |
KG3 CHECK THE VPWR CIRCUIT FOR AN OPEN
Note: Disconnect the suspect fuel injector harness connector. Only the suspect injector needs to be diagnosed.
Note: On some vehicles, the injector voltage is only present when the fuel pump relay is energized. Measure the injector voltage within 2 seconds of the ignition ON.
• Ignition OFF.
• INJ connector disconnected.
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.