1988 Mercury Sable excess fuel consumption

1988 MERCURY SABLE
58,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RIMBY98
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58.000 miles, car does not use oil.

Trnsmission seems free - car coasts freely.

We drive slowly - 55 - 60 mph. Mileage is about 17mpg, highway.

Does not miss.
Thanks,

rimby98
Dec 16, 2007 at 2:30 PM
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MHPAUTOS
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Hi there,

When did you last have a tune done? It just might need a good tune up and a run on an oscilloscope, this will check the ignition system for potential faults that will cause your problem, get the simple things done first, then if there still is a concern we can look a little deeper.

Mark (mhpautos)
Dec 16, 2007 at 3:15 PM