Quote:
Originally Posted by SWFLf10
I still have a rough idle on cold starts, but it could be anything at this point. I’m thinking about cleaning the intake valves next to see if that helps. Still hasn’t been done at all on this engine. They are a bit dirty looking at this point, but honestly thought they’d be worse.
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Yours still look ok. N55 is pretty good with carbon buildup. Mines have 320K miles and never had it done. Still idle fine on cold starts.