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Not a truck but...

866 Views 6 Replies 5 Participants Last post by  chrysler300le
My brother has a '99 intrepid with the 3.2L V6 around 120K miles. He has a "hot" cylinder. ie... he put in a new plug a while back and about 2 months later he was inspecting them and one was all white with residue. What causes this? All the other plugs are nice and clean.
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Why did he replace that plug in the first place?
He replaced them all at the time, I was just using that one for the example.... miswritten ::) :-X
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