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International Automotive Technicians Network
Re: Detroit 40 series(dt530) low power cold/runs good hot
Posted to HD/Fleet Forum on 11/12/2008

Don't let the miles fool you as these spend a lot of time running at high idle at accident scenes and even higher when pumping. However the odometer should register miles when in Pump mode. The miles seem very low for a 11 year old pumper, maybe the speedo was... Login to read more.