C0171

C0171 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

C0171 Diagnosis

The BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for an open 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 C0171 Fault Code Meaning :

Ford C0171 Symptoms :

Ford C0171 Reasons :

How To Fix Ford C0171 Trouble Code ?

Which Ford cars have the code C0171?

  • C0171 Ford Aerostar
  • C0171 Ford Bronco
  • C0171 Ford C-Max
  • C0171 Ford C-Max Energi
  • C0171 Ford C-Max Hybrid
  • C0171 Ford Contour
  • C0171 Ford Crown Victoria
  • C0171 Ford EcoSport
  • C0171 Ford Econoline
  • C0171 Ford Edge
  • C0171 Ford Escape
  • C0171 Ford Escape Hybrid
  • C0171 Ford Escort
  • C0171 Ford Everest
  • C0171 Ford Excursion
  • C0171 Ford Expedition
  • C0171 Ford Explorer
  • C0171 Ford Explorer Sport Trac
  • C0171 Ford F-150
  • C0171 Ford F-250
  • C0171 Ford F-350
  • C0171 Ford Fiesta
  • C0171 Ford Flex
  • C0171 Ford Focus
  • C0171 Ford Focus Electric
  • C0171 Ford Freestar
  • C0171 Ford Freestyle
  • C0171 Ford Fusion
  • C0171 Ford Fusion Energi
  • C0171 Ford Fusion Hybrid
  • C0171 Ford Fusion Plug-In Hybrid
  • C0171 Ford GT
  • C0171 Ford Mustang
  • C0171 Ford Mustang Mach-E
  • C0171 Ford Mystique
  • C0171 Ford Probe
  • C0171 Ford Ranger
  • C0171 Ford Taurus
  • C0171 Ford Taurus X
  • C0171 Ford Tempo
  • C0171 Ford Thunderbird
  • C0171 Ford Transit
  • C0171 Ford Transit Connect
  • C0171 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.