P21F5

P21F5 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P21F5 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 P21F5 Fault Code Meaning :

Ford P21F5 Symptoms :

Ford P21F5 Reasons :

How To Fix Ford P21F5 Trouble Code ?

Which Ford cars have the code P21F5?

  • P21F5 Ford Aerostar
  • P21F5 Ford Bronco
  • P21F5 Ford C-Max
  • P21F5 Ford C-Max Energi
  • P21F5 Ford C-Max Hybrid
  • P21F5 Ford Contour
  • P21F5 Ford Crown Victoria
  • P21F5 Ford EcoSport
  • P21F5 Ford Econoline
  • P21F5 Ford Edge
  • P21F5 Ford Escape
  • P21F5 Ford Escape Hybrid
  • P21F5 Ford Escort
  • P21F5 Ford Everest
  • P21F5 Ford Excursion
  • P21F5 Ford Expedition
  • P21F5 Ford Explorer
  • P21F5 Ford Explorer Sport Trac
  • P21F5 Ford F-150
  • P21F5 Ford F-250
  • P21F5 Ford F-350
  • P21F5 Ford Fiesta
  • P21F5 Ford Flex
  • P21F5 Ford Focus
  • P21F5 Ford Focus Electric
  • P21F5 Ford Freestar
  • P21F5 Ford Freestyle
  • P21F5 Ford Fusion
  • P21F5 Ford Fusion Energi
  • P21F5 Ford Fusion Hybrid
  • P21F5 Ford Fusion Plug-In Hybrid
  • P21F5 Ford GT
  • P21F5 Ford Mustang
  • P21F5 Ford Mustang Mach-E
  • P21F5 Ford Mystique
  • P21F5 Ford Probe
  • P21F5 Ford Ranger
  • P21F5 Ford Taurus
  • P21F5 Ford Taurus X
  • P21F5 Ford Tempo
  • P21F5 Ford Thunderbird
  • P21F5 Ford Transit
  • P21F5 Ford Transit Connect
  • P21F5 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.