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1999 Ford Expedition Eddie Bauer 5.4L MIL Lamp on
Posted to Ford Driveability on 11/7/2005 23 Replies

LTFT on both banks remain at 25% all the time. STFT at 3%-6% This occurs at idle or cruise. All other data appears normal. No vacuum leaks found. O2 sensors appear to be operating normal.

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  Related Documents & Media  1999 Ford Expedition Eddie Bauer

 
Message Closed w/FIX

car Vehicle Data

1999 Ford Expedition Eddie Bauer

VIN 1FMRU17L1X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1999 Ford Expedition Eddie Bauer

VIN 1FMRU17L1X
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)