2003 Mercury Mountaineer 4.0L MIL Lamp on
ready to give up on this one. running rich at all times. suprisingly, it runs perfect. purrs like kitten. the only data that is out of whack is the long and short fuel trims. I thought the fuel press was a little high but according to ford and mitchell on dema...
FIX posted 9/30/2005
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Message Closed w/FIX
Vehicle Data2003 Mercury Mountaineer
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2003 Mercury Mountaineer
VIN | [No VIN Available] |
Engine | 4.0 L / 6 cyl / FLEX |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | All Wheel Drive |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |