![ford engine codes p0401 ford engine codes p0401](https://www.samarins.com/diagnose/sensors/dpfe-sensor-large.jpg)
Well, the light came back so he had use bring it back to replace the EGR valve and only charging for the part. When we called about the car he said they cleaned it. Of which we brought it to our mechanic of which we highly trust for. My sisters Mitsubshi Galant has this code following having PO403 code.
#Ford engine codes p0401 manual
Use your car’s service manual to locate and remove the intake manifold to check for carbon build up.
![ford engine codes p0401 ford engine codes p0401](https://www.therangerstation.com/wp-content/uploads/2020/08/ford_ranger_dpfe_replaced.jpg)
If you find carbon buildup, use a speedometer cable and throttle body cleaner to remove carbon blocking any air passages. Check out this video for a visual reference. Use your car’s service manual to locate and check the EGR valve for any carbon buildup.Remove carbon using speedometer cable and throttle body cleaner.
![ford engine codes p0401 ford engine codes p0401](https://i.ytimg.com/vi/nt8kkr55t40/hqdefault.jpg)
Use your car’s service manual to locate and check the vehicle’s EGR temperature sensor for any carbon buildup that may interfere with its readings.If you find damages or cracks in any of these connections, replace and clear your check engine light Visually inspect the vacuum hoses, wiring, and any other connections to the EGR valve that may interrupt air flow to the intake manifold.