My truck had a misfire on cylinder 1&8. So I proceeded to replace all 8 and spark plugs because its a s. Time. So I did now it's misfiring again when we fired it up but now it reads a misfire on cylinder 1,6&8. What. Can it be ho e to fix I'm perplexed.
My car has 257000 miles.
My car has an automatic transmission.
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