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1998 Mercury Mountaineer 4.0L MIL Lamp on
Posted to Ford Driveability on 4/20/2010 12 Replies

Hello all, I have a Mountaineer I need some help with. Initially the vehicle came in with the check engine light on and P0171 and P0174 stored. MAF was cleaned and upper and lower intake seals were replaced. Also repaired exhaust leak on bank 1 between front p...

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  Related Documents & Media  1998 Mercury Mountaineer

 
Message Closed w/FIX

car Vehicle Data

1998 Mercury Mountaineer

VIN 4M2ZU54E9W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
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

1998 Mercury Mountaineer

VIN 4M2ZU54E9W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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