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Re: CAT C7 Over Fueling
Posted to HD/Fleet Forum on 5/1/2019 3 Replies

Yes you are correct, the truck surges at idle or driving. While it idles and starts surging if i unplug the pump (solenoid on the top of the pump) the idle smooths out no surges. Ohm ed out the solenoid- good, resistance test on both wires to ECM still good. T... Login to read more.

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