P4F77

P4F77 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4F77 Diagnosis

The output circuits that are powered by VBAT2 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P4F77 Fault Code Meaning :

Ford P4F77 Symptoms :

Ford P4F77 Reasons :

How To Fix Ford P4F77 Trouble Code ?

Which Ford cars have the code P4F77?

  • P4F77 Ford Aerostar
  • P4F77 Ford Bronco
  • P4F77 Ford C-Max
  • P4F77 Ford C-Max Energi
  • P4F77 Ford C-Max Hybrid
  • P4F77 Ford Contour
  • P4F77 Ford Crown Victoria
  • P4F77 Ford EcoSport
  • P4F77 Ford Econoline
  • P4F77 Ford Edge
  • P4F77 Ford Escape
  • P4F77 Ford Escape Hybrid
  • P4F77 Ford Escort
  • P4F77 Ford Everest
  • P4F77 Ford Excursion
  • P4F77 Ford Expedition
  • P4F77 Ford Explorer
  • P4F77 Ford Explorer Sport Trac
  • P4F77 Ford F-150
  • P4F77 Ford F-250
  • P4F77 Ford F-350
  • P4F77 Ford Fiesta
  • P4F77 Ford Flex
  • P4F77 Ford Focus
  • P4F77 Ford Focus Electric
  • P4F77 Ford Freestar
  • P4F77 Ford Freestyle
  • P4F77 Ford Fusion
  • P4F77 Ford Fusion Energi
  • P4F77 Ford Fusion Hybrid
  • P4F77 Ford Fusion Plug-In Hybrid
  • P4F77 Ford GT
  • P4F77 Ford Mustang
  • P4F77 Ford Mustang Mach-E
  • P4F77 Ford Mystique
  • P4F77 Ford Probe
  • P4F77 Ford Ranger
  • P4F77 Ford Taurus
  • P4F77 Ford Taurus X
  • P4F77 Ford Tempo
  • P4F77 Ford Thunderbird
  • P4F77 Ford Transit
  • P4F77 Ford Transit Connect
  • P4F77 Ford Windstar

A code is a fault code and it indicates that something has gone wrong with your car's engine.

It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.

You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.

A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.