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Old December 15th, 2017, 17:18
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Fidget360 Fidget360 is offline
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Join Date: Dec 2008
Location: Chester Springs, PA
Posts: 349
Re: Wifes Patriot has rough idle but does not throw codes.

I'd bet its the lead in the water up there.

it sounds to me like a spark issue. like a spark plug shorting to the head via a bad boot or something like that. they normally come and go with load because the resistance of the air gap on the spark plug increases with greater compression in the cylinder.
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