Thread: Spark plugs
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Old 08-31-2011, 11:44 AM   #3 (permalink)
Dembflyr
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I don't have a solid answer for you except to say that if it ain't broke don't fix it.

If your gas mileage is good and all other things are fine then I'd leave it.

I do believe that the plugs should be good for at least 50,000 miles.
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