The shop only has a doner for a cm870 they have different connections. Have not been able to locate a doner.
Isx shutting down randomly
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by RSB34, Aug 29, 2018.
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Been having problems with one of the trucks in the fleet similar to the issues you are having. Turned out to be a loose fuel fitting on the “T” fitting under the cab going to the filter, kept sucking in air and shutting down.
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I don’t know if this will mean anything. When I turn my key on the lift pump takes a few minutes to turn on. If you try starting it. It will just crank. There will be no power to the fuel shut off ( between the fuel timers and meters) when the lift pump kicks on there is power to the fuel shut off. When the truck dies it loses power to the fuel shut off.
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Any active/inactive codes?
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Turn the key and have a buddy hit the ECM with a screwdriver. See what happens. ECMs do wear out. I have a new one sitting in my closet, 2008 CM-871... Lifespan on an ECM is 8 to 10 years. Just saying.
Oldironfan Thanks this. -
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