Question about 2003 Mercury Mountaineer
Mercury Mountaineer fuel filter is located in front and on top of fuel tank behind two shields. This is for 4.0L 2 wheel drive. When you look just behind the front passenger side tire you will see the first shield. Behind that is the second, I dobt its the fuel filter althought its good ideas to have it replace every 50-75k. check plugs, coil and wires and air filter. Injectors can be clog, go down to auto parts store and pick up a fuel injector cleaners and fill up the tank with 93 octane and add that fuel injectors cleaner additive with it and see if that help some. I know fuel are high now days, I always have use 93 or higher in all of my cars especially V6 and V8, I rather spend 10 to 15 cent per gallon more for higher octain. Car run better and keep those injectors and the valves lot cleaner using higher octane.
Posted on Sep 30, 2009
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Posted on Jan 02, 2017
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