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  1. 01-04.5 LB7 Duramax Powertrain
    Vehicle 2003 GMC Sierra 2500HD 6.6 LB7 Just got done changing out the Fuel Injectors and New CP3, all back together and go to start it and nothing. *Replaced the fuel system in the tank *Replaced one of the hard fuel lines which I accidently snapped *New ACDelco fuel filter *Rebuilt the fuel...
  2. 04.5-05 LLY Duramax Powertrain
    Hi, new to the forum and wanted to gain some knowledge on what to look for in the previous owners mods to my 2005 Kodiak RV. I have an edge monitor/ 5position tune selector. Not really sure what each tune does and where and who built the tunes?? Exhaust is straight piped, believe that EGR has...
  3. 911 Problems Forum
    Vehicle started, ran for about one minute at idle, and shut off, sounding like it was out of fuel. Unable to restart. First trouble in 130k miles! Both the fuel pump fuse and relay checked good. Dealer hooked it to the computer and reports I need all 8 injectors @ $4725.00!! I changed the...
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