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Re: 2012 Cummins ISL9, stall at first start of the day
Posted to HD/Fleet Forum on 5/11/2024

I had a similar problem on one of my ISL9 trucks. Took me a while to figure it out. Got a bucket filled with diesel and remove the line to the fuel filter. Tried to separate the problem. Truck started and ran fine. Tracked the problem to a crack in one of the ... Login to read more.