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Re: need Cummins ISX advice
Posted to HD/Fleet Forum on 6/23/2020

Yes, you are on the right path. This is a common issue with the air actuated CM870s. Years ago the company that I worked for spent 7000 bucks trying to figure out a hunting idle that was never figured out until they let me ponder on it. Turned out to be the ai... Login to read more.