P21F7

P21F7 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P21F7 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 BHM supplies battery power on this circuit when the key is in the RUN or CRANK positions. Troubleshoot for a wiring fault shorting this circuit to ground or for too many optional circuits spliced into it that is causing the BHM to turn it off.

When the engine is in higher engine speed and torque condition, the differential pressure over the DPF is expected to rise according to engine speed and torque. If the differential pressure exceeds a threshold then the differential pressure sensor plausibility DTC is set.

Ford P21F7 Fault Code Meaning :

Ford P21F7 Symptoms :

Ford P21F7 Reasons :

How To Fix Ford P21F7 Trouble Code ?

Which Ford cars have the code P21F7?

  • P21F7 Ford Aerostar
  • P21F7 Ford Bronco
  • P21F7 Ford C-Max
  • P21F7 Ford C-Max Energi
  • P21F7 Ford C-Max Hybrid
  • P21F7 Ford Contour
  • P21F7 Ford Crown Victoria
  • P21F7 Ford EcoSport
  • P21F7 Ford Econoline
  • P21F7 Ford Edge
  • P21F7 Ford Escape
  • P21F7 Ford Escape Hybrid
  • P21F7 Ford Escort
  • P21F7 Ford Everest
  • P21F7 Ford Excursion
  • P21F7 Ford Expedition
  • P21F7 Ford Explorer
  • P21F7 Ford Explorer Sport Trac
  • P21F7 Ford F-150
  • P21F7 Ford F-250
  • P21F7 Ford F-350
  • P21F7 Ford Fiesta
  • P21F7 Ford Flex
  • P21F7 Ford Focus
  • P21F7 Ford Focus Electric
  • P21F7 Ford Freestar
  • P21F7 Ford Freestyle
  • P21F7 Ford Fusion
  • P21F7 Ford Fusion Energi
  • P21F7 Ford Fusion Hybrid
  • P21F7 Ford Fusion Plug-In Hybrid
  • P21F7 Ford GT
  • P21F7 Ford Mustang
  • P21F7 Ford Mustang Mach-E
  • P21F7 Ford Mystique
  • P21F7 Ford Probe
  • P21F7 Ford Ranger
  • P21F7 Ford Taurus
  • P21F7 Ford Taurus X
  • P21F7 Ford Tempo
  • P21F7 Ford Thunderbird
  • P21F7 Ford Transit
  • P21F7 Ford Transit Connect
  • P21F7 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.