P8F40

P8F40 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P8F40 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.The wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P8F40 Fault Code Meaning :

Ford P8F40 Symptoms :

Ford P8F40 Reasons :

How To Fix Ford P8F40 Trouble Code ?

Which Ford cars have the code P8F40?

  • P8F40 Ford Aerostar
  • P8F40 Ford Bronco
  • P8F40 Ford C-Max
  • P8F40 Ford C-Max Energi
  • P8F40 Ford C-Max Hybrid
  • P8F40 Ford Contour
  • P8F40 Ford Crown Victoria
  • P8F40 Ford EcoSport
  • P8F40 Ford Econoline
  • P8F40 Ford Edge
  • P8F40 Ford Escape
  • P8F40 Ford Escape Hybrid
  • P8F40 Ford Escort
  • P8F40 Ford Everest
  • P8F40 Ford Excursion
  • P8F40 Ford Expedition
  • P8F40 Ford Explorer
  • P8F40 Ford Explorer Sport Trac
  • P8F40 Ford F-150
  • P8F40 Ford F-250
  • P8F40 Ford F-350
  • P8F40 Ford Fiesta
  • P8F40 Ford Flex
  • P8F40 Ford Focus
  • P8F40 Ford Focus Electric
  • P8F40 Ford Freestar
  • P8F40 Ford Freestyle
  • P8F40 Ford Fusion
  • P8F40 Ford Fusion Energi
  • P8F40 Ford Fusion Hybrid
  • P8F40 Ford Fusion Plug-In Hybrid
  • P8F40 Ford GT
  • P8F40 Ford Mustang
  • P8F40 Ford Mustang Mach-E
  • P8F40 Ford Mystique
  • P8F40 Ford Probe
  • P8F40 Ford Ranger
  • P8F40 Ford Taurus
  • P8F40 Ford Taurus X
  • P8F40 Ford Tempo
  • P8F40 Ford Thunderbird
  • P8F40 Ford Transit
  • P8F40 Ford Transit Connect
  • P8F40 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.