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

hard starting

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  #1  
Old 11-28-2010, 10:18 PM
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ok ive been trying to solve this problem for a very long time. basically when it sits for a few hours it starts like crap. it pops and blows white smoke like airs getting into the fuel line... and once its started it runs fine.. heres what ive done to try and solve it... new injectors, all new fuel lines, new fuel tank, lift pump, ofv... i cant think of anything else it could be.... its really anoying... any ideas?
 
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Old 11-28-2010, 10:53 PM
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i would check the timing to see if it has slipped. just my 2 cents
 
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Old 11-29-2010, 09:44 PM
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timing has been re-set multiple times...
 
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Old 11-30-2010, 12:22 AM
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sounds like your loosin prime
 
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Old 11-30-2010, 12:29 AM
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Do you still have your oem fuel heater? Any leaks that you can see?
 
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Old 11-30-2010, 09:49 AM
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yeh still the oem fuel heater.... and yes it still leaks around the tank.. its drippin off the bottom of it.... but its a new tank and new lines so??? yeh its def loosing prime... i just dont know how.. i havent replaced the injection lines yet... could the seals on those be bad?
 
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Old 11-30-2010, 11:04 AM
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Leaking at the fuel heater is a common thing. Lots of guys have taken theirs out.



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Last edited by Dr. Evil; 11-30-2010 at 11:07 AM.
  #8  
Old 11-30-2010, 12:27 PM
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I would check compression
 
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Old 11-30-2010, 06:23 PM
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how would you by-pass the fuel heater? that kinda sounds like a bad idea when it gets cold out? maybe not... idk.
 
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Old 12-02-2010, 09:55 AM
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bump
 


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