P8F66

P8F66 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P8F66 Diagnosis

The CHM does not suupport PWM type DRLs. The vehicle has a BHM mismatch with the CHM. Replace the CHM with one that is compatible with the BHM.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded OFF.

The disconnected pipe malfunction is detected when the ventilator tube from the valve cover to the separator device is disconnected resulting in a pressure below the lower limit.Both of these malfunctions will result in a DTC being set.

Ford P8F66 Fault Code Meaning :

Ford P8F66 Symptoms :

Ford P8F66 Reasons :

How To Fix Ford P8F66 Trouble Code ?

Which Ford cars have the code P8F66?

  • P8F66 Ford Aerostar
  • P8F66 Ford Bronco
  • P8F66 Ford C-Max
  • P8F66 Ford C-Max Energi
  • P8F66 Ford C-Max Hybrid
  • P8F66 Ford Contour
  • P8F66 Ford Crown Victoria
  • P8F66 Ford EcoSport
  • P8F66 Ford Econoline
  • P8F66 Ford Edge
  • P8F66 Ford Escape
  • P8F66 Ford Escape Hybrid
  • P8F66 Ford Escort
  • P8F66 Ford Everest
  • P8F66 Ford Excursion
  • P8F66 Ford Expedition
  • P8F66 Ford Explorer
  • P8F66 Ford Explorer Sport Trac
  • P8F66 Ford F-150
  • P8F66 Ford F-250
  • P8F66 Ford F-350
  • P8F66 Ford Fiesta
  • P8F66 Ford Flex
  • P8F66 Ford Focus
  • P8F66 Ford Focus Electric
  • P8F66 Ford Freestar
  • P8F66 Ford Freestyle
  • P8F66 Ford Fusion
  • P8F66 Ford Fusion Energi
  • P8F66 Ford Fusion Hybrid
  • P8F66 Ford Fusion Plug-In Hybrid
  • P8F66 Ford GT
  • P8F66 Ford Mustang
  • P8F66 Ford Mustang Mach-E
  • P8F66 Ford Mystique
  • P8F66 Ford Probe
  • P8F66 Ford Ranger
  • P8F66 Ford Taurus
  • P8F66 Ford Taurus X
  • P8F66 Ford Tempo
  • P8F66 Ford Thunderbird
  • P8F66 Ford Transit
  • P8F66 Ford Transit Connect
  • P8F66 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.