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What is included in a tune-up?

(2004 Chevrolet Trailblazer)
in Chicago, IL on July 18, 2011
What services are included in a tune-up?
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Popular Answer
on July 18, 2011
A Tune-up on a late model vehicle commonly consists of replacing the spark plugs, air and fuel filters. These items would normally be replaced during one of the routine service intervals with the air filer being replaced most often. If the vehicles scheduled maintenance is followed, performing a "tune-up" would not be necessary.
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