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Super worn spark plugs and running hot?
Has anyone ever seen old plugs cause an engine to run hot at highway speeds? Just took my truck to MI and back in some pretty cool weather. (60's) At 70 mph on some minor hills, the temp would get up between normal (straight up) and hot. Going back down hill would cool right off. I knew I needed...- Treeshark
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- Forum: Engine & Performance
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INFO - 2013-2018 8.4A /AN FW Notes (RA3/VP3-NA & RA4/VP4-NA & UAx)
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