LLY will not start? [Archive] - Duramax Diesels Forum

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DetailsUnlimited
10-04-2010, 02:36 PM
Buddy backed up to Trailor and set at idle for 5min while hooking up. Surged 3 times and died?? Fuel is getting to the motor. Checked ad150 and fuel lines factory fuel filter good pumped and shot fuel to the top hood. Pulled fuel line to 1st injector. Good! Efi check fuel pressure when cranking to be at 5-6k. What am I missing? Bad diesel? Water.... CP3 go out

68skylark455
10-04-2010, 03:12 PM
Did he plug in a connector for the trailer? Check the 5 fuses for the efi system in the box under the hood.

DetailsUnlimited
10-04-2010, 03:33 PM
Did he plug in a connector for the trailer? Check the 5 fuses for the efi system in the box under the hood.

No fuses blown. Check

DetailsUnlimited
10-04-2010, 04:15 PM
Just through a crank sensor code P0374

DetailsUnlimited
10-05-2010, 04:17 PM
Also a P0370?? Any suggestion would be helpful.

chevyburnout1
10-05-2010, 04:28 PM
Those codes set when the FICM receives injector firing commands but it is not receiving a crank signal from the crank sensor.

Check the wiring running to the FICM in the usual rub through spots.

DetailsUnlimited
10-05-2010, 05:36 PM
All wires good. No rub through.