Chevy Colorado & GMC Canyon - View Single Post - 2016 - 6 cylinder Gas Mileage Dropped?
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post #17 of (permalink) Old 09-16-2016, 11:51 AM
flashesbuck's Avatar
Join Date: Jan 2016
Location: Ohio
Posts: 50
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Its the active shutters.... I had no idea mine were not working. Took it in for the first oil change last weekend and they preformed a recall on them. and all this week, all of my driving has jumped 2-3MPG.
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