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1998 Ford F-150 4.6L Poor Fuel Economy
Posted to Ford Driveability on 4/26/2007 32 Replies

keeps reapeating same codes cant find a problem i know these fords r bad about intake plenum leaks but smoked it with no avail any help would be much appreciated

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  Related Documents & Media  1998 Ford F-150

 
Message Closed w/FIX

car Vehicle Data

1998 Ford F-150

VIN 2FT2X1769W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpfi
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursNot Applicable

Trouble Codes

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

car Vehicle Data

1998 Ford F-150

VIN 2FT2X1769W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpfi
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy
OccursNot Applicable

Trouble Codes

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