P3704

P3704 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P3704 Diagnosis

The fault remains active until the ignition is turned ON when the fault is no longer present. Some BHM configurations force this circuit off until the ignition switch is cycled.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 P3704 Fault Code Meaning :

Ford P3704 Symptoms :

Ford P3704 Reasons :

How To Fix Ford P3704 Trouble Code ?

Which Ford cars have the code P3704?

  • P3704 Ford Aerostar
  • P3704 Ford Bronco
  • P3704 Ford C-Max
  • P3704 Ford C-Max Energi
  • P3704 Ford C-Max Hybrid
  • P3704 Ford Contour
  • P3704 Ford Crown Victoria
  • P3704 Ford EcoSport
  • P3704 Ford Econoline
  • P3704 Ford Edge
  • P3704 Ford Escape
  • P3704 Ford Escape Hybrid
  • P3704 Ford Escort
  • P3704 Ford Everest
  • P3704 Ford Excursion
  • P3704 Ford Expedition
  • P3704 Ford Explorer
  • P3704 Ford Explorer Sport Trac
  • P3704 Ford F-150
  • P3704 Ford F-250
  • P3704 Ford F-350
  • P3704 Ford Fiesta
  • P3704 Ford Flex
  • P3704 Ford Focus
  • P3704 Ford Focus Electric
  • P3704 Ford Freestar
  • P3704 Ford Freestyle
  • P3704 Ford Fusion
  • P3704 Ford Fusion Energi
  • P3704 Ford Fusion Hybrid
  • P3704 Ford Fusion Plug-In Hybrid
  • P3704 Ford GT
  • P3704 Ford Mustang
  • P3704 Ford Mustang Mach-E
  • P3704 Ford Mystique
  • P3704 Ford Probe
  • P3704 Ford Ranger
  • P3704 Ford Taurus
  • P3704 Ford Taurus X
  • P3704 Ford Tempo
  • P3704 Ford Thunderbird
  • P3704 Ford Transit
  • P3704 Ford Transit Connect
  • P3704 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.