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25/10/2023 4:57 pm
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Hello, I have a 2000 f150 5.4 v8 with 124,500 miles that has a bad misfire that makes the whole truck shake on the highway and at idle swapped the #3 coil with #2 coil and reset code came back as the same P0303 so it can’t be the coil spark plugs are like 6 months old can’t figure what the problem could be. Thanks!
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