P84F9

P84F9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P84F9 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 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 P84F9 Fault Code Meaning :

Ford P84F9 Symptoms :

Ford P84F9 Reasons :

How To Fix Ford P84F9 Trouble Code ?

Which Ford cars have the code P84F9?

  • P84F9 Ford Aerostar
  • P84F9 Ford Bronco
  • P84F9 Ford C-Max
  • P84F9 Ford C-Max Energi
  • P84F9 Ford C-Max Hybrid
  • P84F9 Ford Contour
  • P84F9 Ford Crown Victoria
  • P84F9 Ford EcoSport
  • P84F9 Ford Econoline
  • P84F9 Ford Edge
  • P84F9 Ford Escape
  • P84F9 Ford Escape Hybrid
  • P84F9 Ford Escort
  • P84F9 Ford Everest
  • P84F9 Ford Excursion
  • P84F9 Ford Expedition
  • P84F9 Ford Explorer
  • P84F9 Ford Explorer Sport Trac
  • P84F9 Ford F-150
  • P84F9 Ford F-250
  • P84F9 Ford F-350
  • P84F9 Ford Fiesta
  • P84F9 Ford Flex
  • P84F9 Ford Focus
  • P84F9 Ford Focus Electric
  • P84F9 Ford Freestar
  • P84F9 Ford Freestyle
  • P84F9 Ford Fusion
  • P84F9 Ford Fusion Energi
  • P84F9 Ford Fusion Hybrid
  • P84F9 Ford Fusion Plug-In Hybrid
  • P84F9 Ford GT
  • P84F9 Ford Mustang
  • P84F9 Ford Mustang Mach-E
  • P84F9 Ford Mystique
  • P84F9 Ford Probe
  • P84F9 Ford Ranger
  • P84F9 Ford Taurus
  • P84F9 Ford Taurus X
  • P84F9 Ford Tempo
  • P84F9 Ford Thunderbird
  • P84F9 Ford Transit
  • P84F9 Ford Transit Connect
  • P84F9 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.