P31B8

P31B8 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P31B8 Diagnosis

This fault indicates that the circuit is drawing more current than it is designed to supply, and possibly there is a wiring fault shorting this circuit to ground. The fault remains active until the ignition is turned ON when the fault is no longer present.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 P31B8 Fault Code Meaning :

Ford P31B8 Symptoms :

Ford P31B8 Reasons :

How To Fix Ford P31B8 Trouble Code ?

Which Ford cars have the code P31B8?

  • P31B8 Ford Aerostar
  • P31B8 Ford Bronco
  • P31B8 Ford C-Max
  • P31B8 Ford C-Max Energi
  • P31B8 Ford C-Max Hybrid
  • P31B8 Ford Contour
  • P31B8 Ford Crown Victoria
  • P31B8 Ford EcoSport
  • P31B8 Ford Econoline
  • P31B8 Ford Edge
  • P31B8 Ford Escape
  • P31B8 Ford Escape Hybrid
  • P31B8 Ford Escort
  • P31B8 Ford Everest
  • P31B8 Ford Excursion
  • P31B8 Ford Expedition
  • P31B8 Ford Explorer
  • P31B8 Ford Explorer Sport Trac
  • P31B8 Ford F-150
  • P31B8 Ford F-250
  • P31B8 Ford F-350
  • P31B8 Ford Fiesta
  • P31B8 Ford Flex
  • P31B8 Ford Focus
  • P31B8 Ford Focus Electric
  • P31B8 Ford Freestar
  • P31B8 Ford Freestyle
  • P31B8 Ford Fusion
  • P31B8 Ford Fusion Energi
  • P31B8 Ford Fusion Hybrid
  • P31B8 Ford Fusion Plug-In Hybrid
  • P31B8 Ford GT
  • P31B8 Ford Mustang
  • P31B8 Ford Mustang Mach-E
  • P31B8 Ford Mystique
  • P31B8 Ford Probe
  • P31B8 Ford Ranger
  • P31B8 Ford Taurus
  • P31B8 Ford Taurus X
  • P31B8 Ford Tempo
  • P31B8 Ford Thunderbird
  • P31B8 Ford Transit
  • P31B8 Ford Transit Connect
  • P31B8 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.