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1996 Ford F-150 Eddie Bauer 4.9L MIL Lamp on
Posted to Ford Driveability on 5/12/2004 24 Replies

Hello all. Customer complaint mil on. Codes PO171 and PO174 for lean bank 1 and lean bank 2 stored. Found high idle, used smoke machine to find severe intake manifold vacuum leak. Replaced upper and lower intake manifold gaskets. Found large piece missing from...

Summary posted 5/13/2004

24 Replies Received (View Replies)

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car Vehicle Data

1996 Ford F-150 Eddie Bauer

Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

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