P9E91

P9E91 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P9E91 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short circuit fault.The wiper switch is in the OFF position and the BHM park input from the wiper motor is not in park position. Troubleshoot for a wiper motor park switch circuit fault.

When the engine is in idle or in low engine speed and torque condition, the differential pressure over the DPF is expected to be close to zero. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P9E91 Fault Code Meaning :

Ford P9E91 Symptoms :

Ford P9E91 Reasons :

How To Fix Ford P9E91 Trouble Code ?

Which Ford cars have the code P9E91?

  • P9E91 Ford Aerostar
  • P9E91 Ford Bronco
  • P9E91 Ford C-Max
  • P9E91 Ford C-Max Energi
  • P9E91 Ford C-Max Hybrid
  • P9E91 Ford Contour
  • P9E91 Ford Crown Victoria
  • P9E91 Ford EcoSport
  • P9E91 Ford Econoline
  • P9E91 Ford Edge
  • P9E91 Ford Escape
  • P9E91 Ford Escape Hybrid
  • P9E91 Ford Escort
  • P9E91 Ford Everest
  • P9E91 Ford Excursion
  • P9E91 Ford Expedition
  • P9E91 Ford Explorer
  • P9E91 Ford Explorer Sport Trac
  • P9E91 Ford F-150
  • P9E91 Ford F-250
  • P9E91 Ford F-350
  • P9E91 Ford Fiesta
  • P9E91 Ford Flex
  • P9E91 Ford Focus
  • P9E91 Ford Focus Electric
  • P9E91 Ford Freestar
  • P9E91 Ford Freestyle
  • P9E91 Ford Fusion
  • P9E91 Ford Fusion Energi
  • P9E91 Ford Fusion Hybrid
  • P9E91 Ford Fusion Plug-In Hybrid
  • P9E91 Ford GT
  • P9E91 Ford Mustang
  • P9E91 Ford Mustang Mach-E
  • P9E91 Ford Mystique
  • P9E91 Ford Probe
  • P9E91 Ford Ranger
  • P9E91 Ford Taurus
  • P9E91 Ford Taurus X
  • P9E91 Ford Tempo
  • P9E91 Ford Thunderbird
  • P9E91 Ford Transit
  • P9E91 Ford Transit Connect
  • P9E91 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.