P3D78
P3D78 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.P3D78 Diagnosis
The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 P3D78 Fault Code Meaning :
Ford P3D78 Symptoms :
Ford P3D78 Reasons :
How To Fix Ford P3D78 Trouble Code ?
Which Ford cars have the code P3D78?
- P3D78 Ford Aerostar
- P3D78 Ford Bronco
- P3D78 Ford C-Max
- P3D78 Ford C-Max Energi
- P3D78 Ford C-Max Hybrid
- P3D78 Ford Contour
- P3D78 Ford Crown Victoria
- P3D78 Ford EcoSport
- P3D78 Ford Econoline
- P3D78 Ford Edge
- P3D78 Ford Escape
- P3D78 Ford Escape Hybrid
- P3D78 Ford Escort
- P3D78 Ford Everest
- P3D78 Ford Excursion
- P3D78 Ford Expedition
- P3D78 Ford Explorer
- P3D78 Ford Explorer Sport Trac
- P3D78 Ford F-150
- P3D78 Ford F-250
- P3D78 Ford F-350
- P3D78 Ford Fiesta
- P3D78 Ford Flex
- P3D78 Ford Focus
- P3D78 Ford Focus Electric
- P3D78 Ford Freestar
- P3D78 Ford Freestyle
- P3D78 Ford Fusion
- P3D78 Ford Fusion Energi
- P3D78 Ford Fusion Hybrid
- P3D78 Ford Fusion Plug-In Hybrid
- P3D78 Ford GT
- P3D78 Ford Mustang
- P3D78 Ford Mustang Mach-E
- P3D78 Ford Mystique
- P3D78 Ford Probe
- P3D78 Ford Ranger
- P3D78 Ford Taurus
- P3D78 Ford Taurus X
- P3D78 Ford Tempo
- P3D78 Ford Thunderbird
- P3D78 Ford Transit
- P3D78 Ford Transit Connect
- P3D78 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.