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

overflow valve

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  #1  
Old 04-05-2010, 10:04 AM
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Default overflow valve

How do you know when your overflow valve is weak or bad what are the problems you start to have.
 
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Old 04-05-2010, 10:29 AM
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your fuel pressure will drop and you can have low power issues
 
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Old 04-05-2010, 10:46 AM
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Look here:

Ram Diesel Injector Pump Problems

More here: http://dodgeram.info/tsb/1996/14-07-96.htm



There is also very useful general info here:

Fritz's Dodge Ram Tech
 
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Old 04-05-2010, 10:58 AM
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I'm pretty sure they go bad like every 50k miles or 100k miles or something. My truck has 256k miles and still has the stock ofv so I'm contemplating replacing it just for the heck of it
 
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Old 04-05-2010, 11:11 AM
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Originally Posted by 85_305
I'm pretty sure they go bad like every 50k miles or 100k miles or something.
Where exactly do you get that from? Theres a pretty big difference between 50k and 100k. There is no set life on these things.
 
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Old 04-05-2010, 11:15 AM
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I dont remember what I was told. It was something like 50k miles but I dont remember. I'd have to call that guy and ask. The springs get weak and start giving out
 
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