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International Automotive Technicians Network
Re: Unexplained loss of compression
Posted to Technical Discussion Forum on 1/15/2022

I see this a couple times a year. same story, short trip, lack of warm up, cold days, high compression 4 cylinder. I always recommend a full warm up cycle every time the engine is started, especially in subfreezing temps. I see similar issues at -40f on early ... Login to read more.