P9E90

P9E90 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P9E90 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 P9E90 Fault Code Meaning :

Ford P9E90 Symptoms :

Ford P9E90 Reasons :

How To Fix Ford P9E90 Trouble Code ?

Which Ford cars have the code P9E90?

  • P9E90 Ford Aerostar
  • P9E90 Ford Bronco
  • P9E90 Ford C-Max
  • P9E90 Ford C-Max Energi
  • P9E90 Ford C-Max Hybrid
  • P9E90 Ford Contour
  • P9E90 Ford Crown Victoria
  • P9E90 Ford EcoSport
  • P9E90 Ford Econoline
  • P9E90 Ford Edge
  • P9E90 Ford Escape
  • P9E90 Ford Escape Hybrid
  • P9E90 Ford Escort
  • P9E90 Ford Everest
  • P9E90 Ford Excursion
  • P9E90 Ford Expedition
  • P9E90 Ford Explorer
  • P9E90 Ford Explorer Sport Trac
  • P9E90 Ford F-150
  • P9E90 Ford F-250
  • P9E90 Ford F-350
  • P9E90 Ford Fiesta
  • P9E90 Ford Flex
  • P9E90 Ford Focus
  • P9E90 Ford Focus Electric
  • P9E90 Ford Freestar
  • P9E90 Ford Freestyle
  • P9E90 Ford Fusion
  • P9E90 Ford Fusion Energi
  • P9E90 Ford Fusion Hybrid
  • P9E90 Ford Fusion Plug-In Hybrid
  • P9E90 Ford GT
  • P9E90 Ford Mustang
  • P9E90 Ford Mustang Mach-E
  • P9E90 Ford Mystique
  • P9E90 Ford Probe
  • P9E90 Ford Ranger
  • P9E90 Ford Taurus
  • P9E90 Ford Taurus X
  • P9E90 Ford Tempo
  • P9E90 Ford Thunderbird
  • P9E90 Ford Transit
  • P9E90 Ford Transit Connect
  • P9E90 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.