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I've seen mention on some USA 993 forums of a carbon build up problem in the heads of 993's. I haven't been able to find anything about it on this site.
As far as I can gather carbon builds up causing OBD2 to report misfires?
Is this a known 993 problem in Europe, or just the USA?
As far as I can gather carbon builds up causing OBD2 to report misfires?
Is this a known 993 problem in Europe, or just the USA?