P79A9

P79A9 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P79A9 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 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 P79A9 Fault Code Meaning :

Ford P79A9 Symptoms :

Ford P79A9 Reasons :

How To Fix Ford P79A9 Trouble Code ?

Which Ford cars have the code P79A9?

  • P79A9 Ford Aerostar
  • P79A9 Ford Bronco
  • P79A9 Ford C-Max
  • P79A9 Ford C-Max Energi
  • P79A9 Ford C-Max Hybrid
  • P79A9 Ford Contour
  • P79A9 Ford Crown Victoria
  • P79A9 Ford EcoSport
  • P79A9 Ford Econoline
  • P79A9 Ford Edge
  • P79A9 Ford Escape
  • P79A9 Ford Escape Hybrid
  • P79A9 Ford Escort
  • P79A9 Ford Everest
  • P79A9 Ford Excursion
  • P79A9 Ford Expedition
  • P79A9 Ford Explorer
  • P79A9 Ford Explorer Sport Trac
  • P79A9 Ford F-150
  • P79A9 Ford F-250
  • P79A9 Ford F-350
  • P79A9 Ford Fiesta
  • P79A9 Ford Flex
  • P79A9 Ford Focus
  • P79A9 Ford Focus Electric
  • P79A9 Ford Freestar
  • P79A9 Ford Freestyle
  • P79A9 Ford Fusion
  • P79A9 Ford Fusion Energi
  • P79A9 Ford Fusion Hybrid
  • P79A9 Ford Fusion Plug-In Hybrid
  • P79A9 Ford GT
  • P79A9 Ford Mustang
  • P79A9 Ford Mustang Mach-E
  • P79A9 Ford Mystique
  • P79A9 Ford Probe
  • P79A9 Ford Ranger
  • P79A9 Ford Taurus
  • P79A9 Ford Taurus X
  • P79A9 Ford Tempo
  • P79A9 Ford Thunderbird
  • P79A9 Ford Transit
  • P79A9 Ford Transit Connect
  • P79A9 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.