2003 mercury mountaineer

Asked by GuruVRF7G Sep 09, 2018 at 12:08 PM about the 2003 Mercury Mountaineer Convenience AWD

Question type: Maintenance & Repair

Idles rough misses loses
power uphill makes popping
noise smells like gas

1 Answer
26,865

taver91 answered 6 years ago

Have any ignition parts been replaced? A 15 year old car should be checked for plugs, wires, injectors, fuel filter, etc. If these type of parts have not been replaced yet, you are seeing the effect of running on worn out components. Do a complete tune up or take it to a reputable shop and have them do the work.

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