Questions & Answers for: Ford Explorer code 401

code(s) you'll get will be in the format PXXXX like P0171 or similar. Once you have the codes you can look them up here to get a description - http://www.obd-codes.com/trouble_codes/ Or post the codes

...Code 401. There is a groove beneath the gasket that needs cleaning. Its 8 bolts and a $10 gasket to fix. The diagnostic computer misses the real problem and blames parts for not opening instead of ...

code means that OBD detected an excessive amount of EGR. There sound like a bad EGR and need replace it. P0755 Shift Solenoid B Malfunction and P0756 Shift Solenoid B Performance or Stuck Off. First I

code 401 ecg valve ok electric vale ok what else could it be you need what is called a DPFE sensor will either be silver metal, or if it has been replaced black plastic. IF its a 4.0l engine then its ...

...code 129 is for a barometric pressure sensor out of range, and the code 401 is for a problem with the flow of the EGR valve.Those components would need to be tested.The noise could be the brake

...but after it warms up it loses all power back fires and fuel pressure drops to 0 psi we scanned codes with obd-2 codes showed p-401 egr flow restricted we hooked up a fuel pressure gauge to the ...