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2004 Mercury Mountaineer 4.0L MIL Lamp on
Posted to Ford Driveability on 9/29/2016 14 Replies

Started out changing fuel rail preasure sensor fix the problem with that code now vehicle is running lean fuel trims long term are 25% both banks replaced clogged fuel filter no help fuel preasure is at 39 psi specs are 40 repalced intake o rings and smoke tes...

14 Replies Received (View Replies)

  Related Documents & Media  2004 Mercury Mountaineer

 
Message Closed w/FIX

car Vehicle Data

2004 Mercury Mountaineer

VIN 4M2DU86K44
Engine4.0 L / 6 cyl / FLEX
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / FLEX FUEL
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable

Trouble Codes

171Lean bank 1
174Lean bank 2
Message Closed w/FIX

car Vehicle Data

2004 Mercury Mountaineer

VIN 4M2DU86K44
Engine4.0 L / 6 cyl / FLEX
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / FLEX FUEL
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursNot Applicable

Trouble Codes

171Lean bank 1
174Lean bank 2