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1997 Ford Expedition XLT 4.6L MIL Lamp on
Posted to Ford Driveability on 11/5/2009 19 Replies

Hello and thanks in advance. I was wondering if any Ford techs could enlighten me as to the correct way to test out a DPFE sensor apart from buying a new one. Vacuum to EGR valve kills engine so I don't think restriction is my problem. Also the EVR tests good ...

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  Related Documents & Media  1997 Ford Expedition XLT

 
Message Closed w/FIX

car Vehicle Data

1997 Ford Expedition XLT

VIN 1FMEU16WCV
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

1997 Ford Expedition XLT

VIN 1FMEU16WCV
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