P78E8

P78E8 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P78E8 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.The position information for the switch becomes Not Available. Remove the duplicate Smart Switch, then use ServiceLink to verify that the correct Smart Switches are configured for the vehicle.

A comparison of pressures from all sensors is made. The smallest difference between the three is determined and a reference pressure is calculated. The Barometric pressure sensor value is compared to the reference value and if the difference is above the threshold a DTC is reported.

Ford P78E8 Fault Code Meaning :

Ford P78E8 Symptoms :

Ford P78E8 Reasons :

How To Fix Ford P78E8 Trouble Code ?

Which Ford cars have the code P78E8?

  • P78E8 Ford Aerostar
  • P78E8 Ford Bronco
  • P78E8 Ford C-Max
  • P78E8 Ford C-Max Energi
  • P78E8 Ford C-Max Hybrid
  • P78E8 Ford Contour
  • P78E8 Ford Crown Victoria
  • P78E8 Ford EcoSport
  • P78E8 Ford Econoline
  • P78E8 Ford Edge
  • P78E8 Ford Escape
  • P78E8 Ford Escape Hybrid
  • P78E8 Ford Escort
  • P78E8 Ford Everest
  • P78E8 Ford Excursion
  • P78E8 Ford Expedition
  • P78E8 Ford Explorer
  • P78E8 Ford Explorer Sport Trac
  • P78E8 Ford F-150
  • P78E8 Ford F-250
  • P78E8 Ford F-350
  • P78E8 Ford Fiesta
  • P78E8 Ford Flex
  • P78E8 Ford Focus
  • P78E8 Ford Focus Electric
  • P78E8 Ford Freestar
  • P78E8 Ford Freestyle
  • P78E8 Ford Fusion
  • P78E8 Ford Fusion Energi
  • P78E8 Ford Fusion Hybrid
  • P78E8 Ford Fusion Plug-In Hybrid
  • P78E8 Ford GT
  • P78E8 Ford Mustang
  • P78E8 Ford Mustang Mach-E
  • P78E8 Ford Mystique
  • P78E8 Ford Probe
  • P78E8 Ford Ranger
  • P78E8 Ford Taurus
  • P78E8 Ford Taurus X
  • P78E8 Ford Tempo
  • P78E8 Ford Thunderbird
  • P78E8 Ford Transit
  • P78E8 Ford Transit Connect
  • P78E8 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.