Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

Service Manuals

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  #11  
Old 09-11-2011, 12:43 PM
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Is there a filter, are you thinking injector pump or the fpr? I called around for a fpr and didn't find it, was told the dealer. I called parts who didn't have it in stock, they said it doesn't get requested very often.
 
  #12  
Old 09-11-2011, 01:06 PM
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You need to determine the actual reading, is it 170-200 or is it 17000-20000? Will it start after you prime the truck. What is the ipr showing to do?
Any oil contamination?
 
  #13  
Old 09-11-2011, 04:54 PM
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Remember your talking to a ver limited knowleged person, ipr?. and no I tried priming even taking the filter off and emtying it to see if water was involved

---AutoMerged DoublePost---

Just went to the truck agin got the 203 psi reading while cranking, now I don't know where they get the reading. The fuel pump, rails, filter????

---AutoMerged DoublePost---

I want to thank you for all your help, being opening day of football season and the annerversery of 9/11. Not really the way you wanted to spend the mourning. I went on to one of there pay websites asked a mechanic, he also was supprised on how little I know. He told me to pump the fuel filter houseing and look to see if I saw fuel, bingo the sencor was leaking. to check it he told me to pump it up and crank it, slow to work but it started.
 

Last edited by jettrash; 09-11-2011 at 04:54 PM. Reason: Automerged Doublepost
  #14  
Old 09-11-2011, 04:57 PM
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Merchant auto has a fuel filter housing rebuild. We use them quite often. Very good results.
 
  #15  
Old 09-11-2011, 06:40 PM
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thank you for thar I'll be giving them a call first thing tommorrow morning
 
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