P1401 Differential Pressure Feedback Electronic Sensor circuit High Voltage Start by checking the connections on your EGR hoses and vacuum lines.
Code P1401 means:Differential pressure feedback electronic sensor circuit high voltage
Trouble code P1401 means: DPF EGR sensor circuit high voltage detected
insufficient egr flow
P1401 - Differential Pressure Feedback EGR sensor ( DPFE ) circuit high voltage detected
insufficient egr flow
Why doesn't my mercry get up to operating tempatue
EVAP Purge Solenoid Stuck Open or Closed
It depends on the make, but most likely a malfunction of the egr temperature sensor.
What does a code 212 mean on a OBD 1 mustang
Trouble code P1151 means: Lack of HO2S bank 2,sensor 1 switches,sensor indicates lean
There were no Mustangs until '67.
lost battery feed