Acquell Posted September 4, 2021 Share Posted September 4, 2021 I’ve been looking into some maintenance items for my CS and one I came across was inlet valve cleaning as I’m guessing on a 15yo car there may be some carbon build up. Has anyone any experience in this, the options as I see it are: 1) manually clean with tags and engine degreaser (good video on garagetech’s very good YouTube channel on this) 2) use something like seafoam cleaner, there’s a few videos in the US for non Porsche’s 3) pay someone to do it 4) don’t bother any helpful thoughts appreciated! Link to comment Share on other sites More sharing options...
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