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International Automotive Technicians Network
Re: GM 5.3 Misfire
Posted to Technical Discussion Forum on 1/31/2020

I could feel the valve/lifter in question and it felt kinda rough. Backing the rocker off slowed down the miss counts. We took the head off and that roller on the lifter did feel rougher than it's companion lifter. You did have to kind of load the roller(push ... Login to read more.