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  #1  
Old 06-06-2011, 11:11 AM
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weapons of grass destruction weapons of grass destruction is offline
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5.9 cummins hard starting

Hi
I 1994 dodge ram cummins diesel.
And when it has hard starting problem.
hard to crank when cold and hot.
took 5 min to crank on Sat.
Just keeps cranking then finally cranks up.
If anybody could help that would be great.
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  #2  
Old 06-06-2011, 03:34 PM
blk90s13 blk90s13 is offline
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Fuel problem how is your filter and how old is it ? how is the fuel pump ?
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  #3  
Old 06-06-2011, 04:09 PM
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Patriot Services Patriot Services is online now
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Quote:
Originally Posted by blk90s13 View Post
Fuel problem how is your filter and how old is it ? how is the fuel pump ?
X1 other than that, super dirty injectors cause hard starting.
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  #4  
Old 06-06-2011, 06:48 PM
calebmoss calebmoss is offline
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cummins forum will help you out with any problems you may have.

http://www.cumminsforum.com/forum/
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  #5  
Old 06-06-2011, 10:03 PM
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weapons of grass destruction weapons of grass destruction is offline
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Hi thanks for the replies the fuel filter needs to be replaced pretty soon.
I think it was dirty fuel been starting great all day.
Put fresh fuel in and sulfur substitute.
I need to join that forum.
Thanks.
Nick
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  #6  
Old 06-06-2011, 10:04 PM
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weapons of grass destruction weapons of grass destruction is offline
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Fuel pump is great.
once it starts black smoke comes out.
From pumpng the gas.
And one day I need to take ot those injectors.
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  #7  
Old 06-06-2011, 10:08 PM
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Leaky injectors. Fuel needs to be finely atomized to burn cleanly. Leaky pintle valves in the tips will actually drip and allow fuel to puddle on the piston tops.
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  #8  
Old 06-07-2011, 09:51 AM
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weapons of grass destruction weapons of grass destruction is offline
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And is that why it is hard to start sometimes.
It only happens here and there.
But How do you fix leaky injectors?
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  #9  
Old 06-07-2011, 09:54 AM
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Replace with new one. Www.injectorwhse.com

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Last edited by Patriot Services; 06-07-2011 at 10:00 AM.
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  #10  
Old 06-07-2011, 10:03 AM
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weapons of grass destruction weapons of grass destruction is offline
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Quote:
Originally Posted by Patriot Services View Post
Replace with new one. Www.injectorwhse.com

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Replace all injectors?
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