P78F8

P78F8 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78F8 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open circuit fault.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.

The suspension proportioning output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for suspension proportioning air solenoid fault, and for air pressure switch short circuit fault.

Ford P78F8 Fault Code Meaning :

Ford P78F8 Symptoms :

Ford P78F8 Reasons :

How To Fix Ford P78F8 Trouble Code ?

Which Ford cars have the code P78F8?

  • P78F8 Ford Aerostar
  • P78F8 Ford Bronco
  • P78F8 Ford C-Max
  • P78F8 Ford C-Max Energi
  • P78F8 Ford C-Max Hybrid
  • P78F8 Ford Contour
  • P78F8 Ford Crown Victoria
  • P78F8 Ford EcoSport
  • P78F8 Ford Econoline
  • P78F8 Ford Edge
  • P78F8 Ford Escape
  • P78F8 Ford Escape Hybrid
  • P78F8 Ford Escort
  • P78F8 Ford Everest
  • P78F8 Ford Excursion
  • P78F8 Ford Expedition
  • P78F8 Ford Explorer
  • P78F8 Ford Explorer Sport Trac
  • P78F8 Ford F-150
  • P78F8 Ford F-250
  • P78F8 Ford F-350
  • P78F8 Ford Fiesta
  • P78F8 Ford Flex
  • P78F8 Ford Focus
  • P78F8 Ford Focus Electric
  • P78F8 Ford Freestar
  • P78F8 Ford Freestyle
  • P78F8 Ford Fusion
  • P78F8 Ford Fusion Energi
  • P78F8 Ford Fusion Hybrid
  • P78F8 Ford Fusion Plug-In Hybrid
  • P78F8 Ford GT
  • P78F8 Ford Mustang
  • P78F8 Ford Mustang Mach-E
  • P78F8 Ford Mystique
  • P78F8 Ford Probe
  • P78F8 Ford Ranger
  • P78F8 Ford Taurus
  • P78F8 Ford Taurus X
  • P78F8 Ford Tempo
  • P78F8 Ford Thunderbird
  • P78F8 Ford Transit
  • P78F8 Ford Transit Connect
  • P78F8 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.