ken56ExplorerJun 15, 2023Engine tune upsI have a 2016 GMC 2500 HD and just did a 'tune up' on it. Tune-ups today consist of new spark plugs and wires ($175) and sometimes new coils ($145). I started my little project at about 1pm and by 5pm...Show More
pianotunaNomad IIIJun 15, 2023Personally I'd pay for the plugs. The other stuff isn't so labour intensive.
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