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Need Dmax Advice-Lookin at used with 130K miles

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Old 12-07-2009, 09:58 AM
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AP, no haven't looked at one yet. The duramax's are pretty few and far between, and when you do find them, usually a bit out of my price range or farther than I want to drive.
Old 12-07-2009, 10:28 AM
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pm sent...
Old 12-12-2009, 11:26 AM
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Keep walking, once they are close to or out of warranty and people start getting rid of them be very wary.
Old 12-13-2009, 05:02 AM
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Thought I would let you know I just lost another injector on my 143K LBZ and am stranded in Co
Old 12-13-2009, 07:45 PM
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Thats very out of the ordinary, you sure there isnt something else going on? My old truck has over 120K on it now and is running just fine right now. I hardly ever read problems with injectors on lbzs over on dieselplace.
Old 12-15-2009, 01:02 AM
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For some reason the un common allways happens to me..... I had an LB7 that I had to replace about everything but the injectors. And an LLY that kep sticking thermostats open and running too cool lol.

The truck was a fleet vehical from TX, and my buddy that lives down there said some companies down there use really bad fuel. The injectors that I took out were really nasty looking, compaired to others I have seen. I was thinking maybe the CP3 was failing and putting shavings through the injectors, but it runns like a raped ape and holds good rail psi.
Old 12-15-2009, 01:06 AM
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Yeah those are quite wierd, and LLY that runs too cold

Might not be a bad idea to pull all the injectors and get em cleaned and flowed, might save some heartache and a piston later on...

I miss the hell out of my truck thats for damn sure, just have no money with going back to school full time next semester
Old 12-15-2009, 11:13 PM
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Originally Posted by 1slow01Z71
Yeah those are quite wierd, and LLY that runs too cold

Might not be a bad idea to pull all the injectors and get em cleaned and flowed, might save some heartache and a piston later on...

I miss the hell out of my truck thats for damn sure, just have no money with going back to school full time next semester
I know the feeling. I had to sell my 07 GMC LBZ classic back when times got tuff I bought it new only had 19,000 miles on it when I sold. I loved that truck. As for the injectors I poured a gallon of marvels mystery oil into a 1/4 tank of fuel and bested the **** out of it. Seems to be running alot better and is bairly knocking now. I think I have been babing it too much, I was scaired to get on it because of the miles.
Old 12-28-2009, 01:38 AM
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Well it lost another injector yesterday. I ended up pulling the tank looking for water, or a bunch of crap in the fuel but was rewarded with a clean tank, with a metalic aluminum coating along the bottom. Further testing leads to a failing injection pump. This means the pump, rails, and injectors are all going to have to be replaced. This is a 7~$8000 repair if I buy everything new. Right now I just want to set this piece of **** on fire, and push it off a cliff.
Old 12-28-2009, 07:24 AM
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damn, threads like this scare me cause ill have to pay for labor aswell...


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