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International Automotive Technicians Network
Re: very intermittent miss p300 301 to 306
Posted to Technical Discussion Forum on 7/12/2023

I went a few rounds with one of those engines a few years ago. It had intermittent misfires on a cylinder or two. Some of the valves and seats were sunk into the head. The valve was taller than stock at the rocker and was at the edge of the lifter's plunger tr... Login to read more.