12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

12 valve won't start

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Old Dec 14, 2010 | 09:08 AM
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Default 12 valve won't start

So I have been checking forums and all I can find is this shut off solenoid which maybe my issue but here's my story I have a 94 12 valve with a gutted afc no plate I live in Missouri the temp was 12 degrees out this morning and my truck started fine with the normal pressing of the gas and letting the grid warm up then going back inside letting it warm up then I heard it die went back out to start it again and it just cranked with no sign of wanting to start any help would be greatly appreciated
 
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Old Dec 14, 2010 | 09:41 AM
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sounds like it gelled up.
 
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Old Dec 14, 2010 | 10:05 AM
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What do I do if it gelled
 
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Old Dec 14, 2010 | 11:23 AM
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pull the fuel filter to see if the fuel gelled up, replace it and you may need to clean out the fuel line.
 
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Old Dec 14, 2010 | 12:02 PM
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What is the best way you suggest to clean out the fuel lines
 
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Old Dec 14, 2010 | 12:24 PM
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Everytime it gets below 35 degrees i plug my truck in over night and really makes a difference when cranking in the morning
 
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Old Dec 14, 2010 | 12:28 PM
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My thing is have plugged it in and haven't noticed any change with it
 
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Old Dec 15, 2010 | 11:16 AM
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Then your heater element is probaly bad.
 
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Old Dec 15, 2010 | 04:55 PM
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dont know about these dodges but i used to use a propane torch on the lines if i needed it to start fast. if i had some time i would just put a heat lamp under the hood. to keep it from freezing i would put a little kerosene in my fuel in the winter
 
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Old Dec 16, 2010 | 02:19 AM
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x2 with 94 12 valve. crack ur number one injector line and crank it a little bit and see if any fuel comes out. crank it for about 10 seconds tops. id crack all them at one time each get any air out at least. next if no fuel comes out then back up. i run a cup of howes lubricator in my truck every fill up its conditioner and anti gel. may want to invest in some. but crackin ur injector lines and crankin the motor over is where i would start do one at a time. i always go 1 then 3 then 2 then 4 then 5 i never go back to six. check ur fuel filter prob wont hurt to go ahead and change it imo.
 
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