P3A91

P3A91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3A91 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 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 P3A91 Fault Code Meaning :

Ford P3A91 Symptoms :

Ford P3A91 Reasons :

How To Fix Ford P3A91 Trouble Code ?

Which Ford cars have the code P3A91?

  • P3A91 Ford Aerostar
  • P3A91 Ford Bronco
  • P3A91 Ford C-Max
  • P3A91 Ford C-Max Energi
  • P3A91 Ford C-Max Hybrid
  • P3A91 Ford Contour
  • P3A91 Ford Crown Victoria
  • P3A91 Ford EcoSport
  • P3A91 Ford Econoline
  • P3A91 Ford Edge
  • P3A91 Ford Escape
  • P3A91 Ford Escape Hybrid
  • P3A91 Ford Escort
  • P3A91 Ford Everest
  • P3A91 Ford Excursion
  • P3A91 Ford Expedition
  • P3A91 Ford Explorer
  • P3A91 Ford Explorer Sport Trac
  • P3A91 Ford F-150
  • P3A91 Ford F-250
  • P3A91 Ford F-350
  • P3A91 Ford Fiesta
  • P3A91 Ford Flex
  • P3A91 Ford Focus
  • P3A91 Ford Focus Electric
  • P3A91 Ford Freestar
  • P3A91 Ford Freestyle
  • P3A91 Ford Fusion
  • P3A91 Ford Fusion Energi
  • P3A91 Ford Fusion Hybrid
  • P3A91 Ford Fusion Plug-In Hybrid
  • P3A91 Ford GT
  • P3A91 Ford Mustang
  • P3A91 Ford Mustang Mach-E
  • P3A91 Ford Mystique
  • P3A91 Ford Probe
  • P3A91 Ford Ranger
  • P3A91 Ford Taurus
  • P3A91 Ford Taurus X
  • P3A91 Ford Tempo
  • P3A91 Ford Thunderbird
  • P3A91 Ford Transit
  • P3A91 Ford Transit Connect
  • P3A91 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.