i had the p0401 code then i bought the dpfe sensor from ford for $150............
NOW the p1404 came up..... how do i fix this.....
P1401 Differential Pressure Feedback Electronic Sensor circuit High Voltage
......anyone have any experience cuz i just changed the dpfe from ford....could it be a malfunction in it???
any help or input would be great thanx

 

thanx for everyone's help problem was fixed

 

you paid $150 for that sensor? got mine from advance auto for 60$...

you sure it was p1404? thats your Intake Air Temperature (IAT) Sensor

 

yeah it was 150 from ford.....sukt but rather have that then have another 1 fail on me this is my 3rd 1....
oooo and p1401 is different for V6 mustangs than GT's.....
positive it was it