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Re: Honda Odyssey 3.5L P0301-P0304 Piston Rings
Posted to Technical Discussion Forum on 1/12/2022

I have read that the cylinder deactivation causes the cylinder to suck oil into the cylinder and foul out the plugs. The rings are too light spring-loaded to seal properly from what I have read.

I would try a delete of the cylinder deactivation system and ma... Login to read more.