P494B

P494B Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P494B 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 P494B Fault Code Meaning :

Ford P494B Symptoms :

Ford P494B Reasons :

How To Fix Ford P494B Trouble Code ?

Which Ford cars have the code P494B?

  • P494B Ford Aerostar
  • P494B Ford Bronco
  • P494B Ford C-Max
  • P494B Ford C-Max Energi
  • P494B Ford C-Max Hybrid
  • P494B Ford Contour
  • P494B Ford Crown Victoria
  • P494B Ford EcoSport
  • P494B Ford Econoline
  • P494B Ford Edge
  • P494B Ford Escape
  • P494B Ford Escape Hybrid
  • P494B Ford Escort
  • P494B Ford Everest
  • P494B Ford Excursion
  • P494B Ford Expedition
  • P494B Ford Explorer
  • P494B Ford Explorer Sport Trac
  • P494B Ford F-150
  • P494B Ford F-250
  • P494B Ford F-350
  • P494B Ford Fiesta
  • P494B Ford Flex
  • P494B Ford Focus
  • P494B Ford Focus Electric
  • P494B Ford Freestar
  • P494B Ford Freestyle
  • P494B Ford Fusion
  • P494B Ford Fusion Energi
  • P494B Ford Fusion Hybrid
  • P494B Ford Fusion Plug-In Hybrid
  • P494B Ford GT
  • P494B Ford Mustang
  • P494B Ford Mustang Mach-E
  • P494B Ford Mystique
  • P494B Ford Probe
  • P494B Ford Ranger
  • P494B Ford Taurus
  • P494B Ford Taurus X
  • P494B Ford Tempo
  • P494B Ford Thunderbird
  • P494B Ford Transit
  • P494B Ford Transit Connect
  • P494B 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.