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International Automotive Technicians Network
2001 Ford Expedition XLT 4.6L MIL Lamp on
Posted to Ford Driveability on 8/1/2008 42 Replies

Hey Ford techs. We need help with this repeat code P0401. We first replaced the DPFE sensor as they are very common. Code returned, we replaced the EGR valve. Code returned. Made sure pipe was clear and we had airflow thu it, both good. No exhaust leaks found....

42 Replies Received (View Replies)

  Related Documents & Media  2001 Ford Expedition XLT

 
Message Closed w/FIX

car Vehicle Data

2001 Ford Expedition XLT

VIN 1FMRU16W01
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected
Message Closed w/FIX

car Vehicle Data

2001 Ford Expedition XLT

VIN 1FMRU16W01
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0401EGR System Insufficient Flow Detected