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2001 Ford F-150 XL 4.2L MIL Lamp on
Posted to Ford Driveability on 6/16/2010 12 Replies

hello friends, having trouble with this vehicle, had codes p0171 and p0174 system lean bank 1 and 2. located large vacuum leak at right side of lower intake manifold, we replace lower gaskets and plenum gasket with oem. recheck fuel trim, bank 1 is still lean ...

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  Related Documents & Media  2001 Ford F-150 XL

 
Message Closed w/FIX

car Vehicle Data

2001 Ford F-150 XL

VIN 1FTZX17271
Engine4.2 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Idle

Trouble Codes

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

car Vehicle Data

2001 Ford F-150 XL

VIN 1FTZX17271
Engine4.2 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)