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Mileage? If your cars engine has high mileage there are many things it could be. First I would try a major tune up! Cap, Rotor, Wires, Plugs, Oil change, Oil filter, Fuel filter, Fuel injector serivce etc. If your gas milage does not get better, you most likely have an injector or some other fuel system problem. altough their are other things that can cause this problem.

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โˆ™ 2005-07-23 19:51:17
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Q: Why would a 1997 Mercury Sable start using an excessive amount of gas if there are no leaks?
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