P4B79

P4B79 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4B79 Diagnosis

The axle lift 2 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for axle lift 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 P4B79 Fault Code Meaning :

Ford P4B79 Symptoms :

Ford P4B79 Reasons :

How To Fix Ford P4B79 Trouble Code ?

Which Ford cars have the code P4B79?

  • P4B79 Ford Aerostar
  • P4B79 Ford Bronco
  • P4B79 Ford C-Max
  • P4B79 Ford C-Max Energi
  • P4B79 Ford C-Max Hybrid
  • P4B79 Ford Contour
  • P4B79 Ford Crown Victoria
  • P4B79 Ford EcoSport
  • P4B79 Ford Econoline
  • P4B79 Ford Edge
  • P4B79 Ford Escape
  • P4B79 Ford Escape Hybrid
  • P4B79 Ford Escort
  • P4B79 Ford Everest
  • P4B79 Ford Excursion
  • P4B79 Ford Expedition
  • P4B79 Ford Explorer
  • P4B79 Ford Explorer Sport Trac
  • P4B79 Ford F-150
  • P4B79 Ford F-250
  • P4B79 Ford F-350
  • P4B79 Ford Fiesta
  • P4B79 Ford Flex
  • P4B79 Ford Focus
  • P4B79 Ford Focus Electric
  • P4B79 Ford Freestar
  • P4B79 Ford Freestyle
  • P4B79 Ford Fusion
  • P4B79 Ford Fusion Energi
  • P4B79 Ford Fusion Hybrid
  • P4B79 Ford Fusion Plug-In Hybrid
  • P4B79 Ford GT
  • P4B79 Ford Mustang
  • P4B79 Ford Mustang Mach-E
  • P4B79 Ford Mystique
  • P4B79 Ford Probe
  • P4B79 Ford Ranger
  • P4B79 Ford Taurus
  • P4B79 Ford Taurus X
  • P4B79 Ford Tempo
  • P4B79 Ford Thunderbird
  • P4B79 Ford Transit
  • P4B79 Ford Transit Connect
  • P4B79 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.