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Rough idle and misfire code on my RAM, plugs were done 30k ago
#8
Borescope inspection of cylinder 5 before any further disassembly is the most cost effective next step after compression confirms or rules out a mechanical issue. Seeing the valve seat condition and cylinder wall directly eliminates a lot of expensive guesswork on a truck at this mileage.
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RE: Rough idle and misfire code on my RAM, plugs were done 30k ago - by haganwelsford - 07-28-2026, 09:54 AM

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