P42A3

P42A3 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P42A3 Diagnosis

The PTO 1 output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for PTO 2 air solenoid fault, and for air pressure switch short 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 P42A3 Fault Code Meaning :

Ford P42A3 Symptoms :

Ford P42A3 Reasons :

How To Fix Ford P42A3 Trouble Code ?

Which Ford cars have the code P42A3?

  • P42A3 Ford Aerostar
  • P42A3 Ford Bronco
  • P42A3 Ford C-Max
  • P42A3 Ford C-Max Energi
  • P42A3 Ford C-Max Hybrid
  • P42A3 Ford Contour
  • P42A3 Ford Crown Victoria
  • P42A3 Ford EcoSport
  • P42A3 Ford Econoline
  • P42A3 Ford Edge
  • P42A3 Ford Escape
  • P42A3 Ford Escape Hybrid
  • P42A3 Ford Escort
  • P42A3 Ford Everest
  • P42A3 Ford Excursion
  • P42A3 Ford Expedition
  • P42A3 Ford Explorer
  • P42A3 Ford Explorer Sport Trac
  • P42A3 Ford F-150
  • P42A3 Ford F-250
  • P42A3 Ford F-350
  • P42A3 Ford Fiesta
  • P42A3 Ford Flex
  • P42A3 Ford Focus
  • P42A3 Ford Focus Electric
  • P42A3 Ford Freestar
  • P42A3 Ford Freestyle
  • P42A3 Ford Fusion
  • P42A3 Ford Fusion Energi
  • P42A3 Ford Fusion Hybrid
  • P42A3 Ford Fusion Plug-In Hybrid
  • P42A3 Ford GT
  • P42A3 Ford Mustang
  • P42A3 Ford Mustang Mach-E
  • P42A3 Ford Mystique
  • P42A3 Ford Probe
  • P42A3 Ford Ranger
  • P42A3 Ford Taurus
  • P42A3 Ford Taurus X
  • P42A3 Ford Tempo
  • P42A3 Ford Thunderbird
  • P42A3 Ford Transit
  • P42A3 Ford Transit Connect
  • P42A3 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.