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

12 VALVE FUEL PLATE

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Old 09-07-2010, 12:32 AM
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Question 12 VALVE FUEL PLATE

VEHICLE INFO:

95' DODGE RAM 2500 CUMMINS DIESEL 12V

181,000 ORIGINAL



PROBLEM:


TRUCK IS HAVING A HARD TIME STARTING. PREVIOUS OWNER STATED THAT IT HAS ALLWAYS DONE THIS. WHEN YOU ATTEMPT TO TURN IT OVER YOU MUST GIVE IT A LARGE AMOUNT OF FUEL TO DO SO, (NEED TO PEDAL TO METAL FOR IT TO START).

IT SEEMS TO ME IT COULD BE SOMETHING AS JUST BUMPONG THE FUEL PLATE OR IDLEING SCREW, IF IT HAS ONE. THIS IS MY FIRST 95 SO IM SURE THERE ARE A FEW THING DIFFERENT. IF I DO TURN IT UP WILL I HAVE TO CHANGE ANYTHING ELSE ???

THANK YOU
 
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Old 09-07-2010, 01:03 AM
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CAPS LOCK! fuel filter been changed lately?
 
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Old 09-07-2010, 09:38 AM
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While someone is cranking the engine over check the fuel shut off solinoid to make sure it is all the way up-- if it isn't it could be a weak relay --had this happen to me replaced the relay now it fires right off.
 
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Old 09-07-2010, 09:06 PM
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me and a friend a mine had pretty much the same problem, when we got to lookin our trucks only idled at around 500 rpm, we turned the idle adjustment up thats right behind the pump to around 800 r 900 and she fires right up with the first bump of the key
 
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Old 09-08-2010, 08:40 AM
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Check your timeing too! Is there any white smoke when you get on it? I checked my timeing and it was like 4 degree's retarded
 
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Old 09-08-2010, 11:28 AM
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This has nothing to do with the fuel plate. As 95Ky5.9 said, I would bet my last dollar bumping up your idle will fix this.

When it does start, what rpm does it idle at?



Heres how to adjust it - http://www.dodgeram.org/tech/dsl/adj...d_Gen-Idle.htm
 

Last edited by Dr. Evil; 09-08-2010 at 11:32 AM.
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Old 09-08-2010, 11:33 AM
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Originally Posted by cloker12
While someone is cranking the engine over check the fuel shut off solinoid to make sure it is all the way up-- if it isn't it could be a weak relay --had this happen to me replaced the relay now it fires right off.
Thats another possibility but I would adjust the idle first since its free.
 
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Old 09-08-2010, 07:42 PM
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I'll have to check my relays, btw im missing the fuel system relay and theres no wires. Still runs though? Does yours blow a white smoke?
 

Last edited by Dr. Evil; 09-08-2010 at 10:39 PM.
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Old 09-08-2010, 08:47 PM
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i have seen gov springs not right do that
 
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Old 09-20-2010, 11:57 AM
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i have to give my truck a little petal to start but it starts on the 2nd crank...
 


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