S.D. Ice Angular Posted July 29, 2012 Share Posted July 29, 2012 Hi Guys, Air JerI have a 2009 Chevy Cobalt with 125,000 miles on it. I would like to give it a “tune up” but now days a “tune up” is so much different than 20 years ago. What can “I” actually do other than change the spark plugs and air filter, which I change the air filter every 25K anyway so I don’t really consider that a tune up type thing.What else can I do to keep the mileage up in the 35+ range?? Quote Link to comment Share on other sites More sharing options...
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