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

need help pleASE

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Old Nov 29, 2010 | 06:46 PM
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97 dodge 12 valve's Avatar
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From: Carlsbad, NM
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I HAVE A 12 VALVE AND I TURN THE IGNITION OFF AND IT KILLS POWER TO THE INSIDE OF THE CAB BUT TRUCK STAYS RUNNING AND DONT KNOW WHY
 
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Old Nov 29, 2010 | 06:49 PM
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crzycummins's Avatar
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how long have you had it? new? does it have a turbo timer?
 
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Old Nov 29, 2010 | 06:50 PM
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Fuel shutoff solenoid isn't working. If you do a search in the 12V forum, you will find instructions on how to make your own kill system with a choke cable...

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BTW
 

Last edited by mishkaya; Nov 29, 2010 at 06:50 PM. Reason: Automerged Doublepost
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Old Nov 29, 2010 | 07:23 PM
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Originally Posted by mishkaya
Fuel shutoff solenoid isn't working. If you do a search in the 12V forum, you will find instructions on how to make your own kill system with a choke cable...

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BTW
x2 on fuel shutoff solenoid. mine will jump out and will stay running and i have to put the spring back in and it will turn off and welcome!!
 

Last edited by blazier18; Nov 29, 2010 at 07:25 PM. Reason: forgot somethin
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Old Nov 29, 2010 | 08:28 PM
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x3 on the solenoid. try taking the rubber boot off and cleaning it up, maybe it's got gunk in there. put the boot back of course after your done. there is the option of the cable like blazier said, or i think you can pick up a new solenoid but a little pricey
 
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Old Nov 29, 2010 | 08:30 PM
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i have had it a year and it just started it today and i have had problems all day. this weekend i replaced the batteries and it wouldnt start. it finally started yesterday and all day it wouldnt run over 50 and i couldnt use fifth gear and i have to use granny gear to take off now and i cleaned the fuel heater screen and about to change fuel filter. it is still hard to start and it stopped smoking and now it doesnt wanna kill the motor even if i unplug both batteries it didnt shut off so i pulled fuse for injector pump and it didnt die and it doesnt have a turbo timer yet
 
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Old Nov 29, 2010 | 08:31 PM
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i'd say x4 on the shutoff solenoid
 
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Old Nov 29, 2010 | 08:48 PM
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dang sounds like u have alot on your hands and if im not mistaken a fss is 189.99 look for one at a junkyard
 
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Old Nov 30, 2010 | 03:40 PM
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99% of the time the solenoid is OK, if not it will be obvious, burnt looking or other damage.
They do get sticky, but they are very simple to remove, clean and replace. Just a plunger and a spring, can't go wrong. Turn on the key when re-installing. That will hold it together.
Just reach down there and push it down, for now.
It's the relay more often, on the firewall next to the brake booster. There's 2 side by side, one's for the grid heaters, or fuel heater, I always forget.
Next possible problem is the (blue?) wire at the battery. The connection gets dirty/loose, but those usually cause a no start.
 
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Old Nov 30, 2010 | 03:47 PM
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i put a cable on my truck
 
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