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International Automotive Technicians Network
Re: 06 Buick Rainier P0300 misfire detected
Posted to Technical Discussion Forum on 6/23/2024

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In the case of your GM vehicle with a misfire DTC and no driver sensation of rough running at all.......well I would wave that off to the dealership.

"A man's got to know his limitations"

I reall... Login to read more.