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S40 T5 Misfire No Codes S40-V40 2005

You are right in being worried. I would want to get a compression test w/leak down. Usually, when you have multiple misfires (flashing CEL) codes will be stored. When it is a single coil, a code is stored. In your case, no codes??

A burned valve is one thing, a cracked sleeve is another. Or it could be a simple fix, like a leaking join in the intercooler piping.
--
Keeping it running is better than buying new






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New S40 T5 Misfire No Codes [S40-V40][2005]
posted by  rehsper  on Tue May 29 06:56 CST 2018 >


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