Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

1992 2500 td wont run

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Old Sep 3, 2012 | 07:21 PM
  #11  
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it cleared after about two min and the truck will not start at all now air or not i should get something right?

---AutoMerged DoublePost---

its getting great fuel to the filter
 

Last edited by FISRTtimeDEISEL; Sep 3, 2012 at 07:21 PM. Reason: Automerged Doublepost
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Old Sep 3, 2012 | 07:23 PM
  #12  
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How about at the T valve??
 
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Old Sep 3, 2012 | 07:29 PM
  #13  
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it pours if i had to judge psi i would say about 4-5
 
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Old Sep 3, 2012 | 07:32 PM
  #14  
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Try craking open a line at a injector see if you have fuel there then another and so on
 
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Old Sep 3, 2012 | 07:39 PM
  #15  
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ok so i did the a and b jump ( two top right ports on the obd1 port ) and nothing no flashing lights or anything ? what next .....im really thinking its the ip
 
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Old Sep 3, 2012 | 08:24 PM
  #16  
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Do you have fuel at the injectors if you dont then you will need a IP,generaly when a IP is going out it will fail to start when hot but you can pour cool water on it and it will work what you might want to do to rule out air in the the lines is get some clear fuel grade line and put between the fitlter and IP if you have bubbles then you are gettig air in the system
 
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Old Sep 4, 2012 | 01:31 AM
  #17  
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Does your service engine soon light come on when you turn the key on? If not, the light could be blown. Also have you checked fuses?
 
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Old Sep 4, 2012 | 03:35 PM
  #18  
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Check all fuel lines before engine for leaks

Check lift pump see if it's working

If it is check ffm see if your getting fuel or if it's cracked

Look in valley for fuel leaks

If no leaks crack injectors and see if fuel comes out
If no fuel comes out there is a problem from IP back.
 
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Old Sep 4, 2012 | 03:53 PM
  #19  
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how about t valve
 
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Old Sep 4, 2012 | 06:34 PM
  #20  
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t valve is fine . if i open my filter with the t valve open should a stream of fuel shot out? when i start to close the filter it sounds like air is coming out . second what is the right way to check the injetors for fuel do i jump the lift pump and make it run and then check ?


please keep in mind i can play with the gas and it runs for a second and has a weird idle and shuts down
 
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