Spark plugs on 2007 Chevrolet Impala SS

I got no manual with my vehicle...it has like 38,000 miles on it.When is the recomended mileage to change them?

by in Huntsville, AL on June 29, 2011
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1 answer
ANSWER by , June 29, 2011
90-100k. you have a good ways to go. Roy