B3890

B3890 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

B3890 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 B3890 Fault Code Meaning :

Ford B3890 Symptoms :

Ford B3890 Reasons :

How To Fix Ford B3890 Trouble Code ?

Which Ford cars have the code B3890?

  • B3890 Ford Aerostar
  • B3890 Ford Bronco
  • B3890 Ford C-Max
  • B3890 Ford C-Max Energi
  • B3890 Ford C-Max Hybrid
  • B3890 Ford Contour
  • B3890 Ford Crown Victoria
  • B3890 Ford EcoSport
  • B3890 Ford Econoline
  • B3890 Ford Edge
  • B3890 Ford Escape
  • B3890 Ford Escape Hybrid
  • B3890 Ford Escort
  • B3890 Ford Everest
  • B3890 Ford Excursion
  • B3890 Ford Expedition
  • B3890 Ford Explorer
  • B3890 Ford Explorer Sport Trac
  • B3890 Ford F-150
  • B3890 Ford F-250
  • B3890 Ford F-350
  • B3890 Ford Fiesta
  • B3890 Ford Flex
  • B3890 Ford Focus
  • B3890 Ford Focus Electric
  • B3890 Ford Freestar
  • B3890 Ford Freestyle
  • B3890 Ford Fusion
  • B3890 Ford Fusion Energi
  • B3890 Ford Fusion Hybrid
  • B3890 Ford Fusion Plug-In Hybrid
  • B3890 Ford GT
  • B3890 Ford Mustang
  • B3890 Ford Mustang Mach-E
  • B3890 Ford Mystique
  • B3890 Ford Probe
  • B3890 Ford Ranger
  • B3890 Ford Taurus
  • B3890 Ford Taurus X
  • B3890 Ford Tempo
  • B3890 Ford Thunderbird
  • B3890 Ford Transit
  • B3890 Ford Transit Connect
  • B3890 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.