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.
FVR | FVRRTN |
Is the resistance greater than 10K ohms?
Yes | No |
|---|---|
GO to HP9 . | REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. |
HP9 CHECK THE FVRRTN CIRCUIT FOR A SHORT TO VOLTAGE
• Ignition ON, engine OFF.
• Measure the voltage between:
( + ) Fuel Injection Pump Connector, Harness Side | ( - ) |
|---|---|
FVRRTN | Ground |
Is any voltage present?
Yes | No |
|---|---|
REPAIR the short circuit. Clear the PCM DTCs. REPEAT the self-test. | For DTC P00C6, GO to HP10 . For all others, GO to HP12 . |
HP10 CHECK FOR CORRECT FUEL INJECTION PUMP OPERATION
• Fuel Injection Pump connector disconnected.
• Visually inspect for:
◾ pushed out pins ◾ corrosion
• Fuel Injection Pump connector connected.
• Ignition ON, engine running.
• Wait 15 seconds.
• Carry out the PCM self-test.
Are DTCs P0087, P0088 or P00C6 present?
Yes | No |
|---|---|
INSTALL a new Fuel Injection Pump. REFER to the fuel system WARNING information at the beginning of Pinpoint Test HC. GO to Pinpoint Test HC . REFER to the Workshop Manual Section 303- 04, Fuel Charging and Controls. Clear the PCM DTCs. REPEAT the self-test. | For DTC P053F, GO to HP11 . For all others, The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. |
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.