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  1. 01-04.5 LB7 Duramax Powertrain
    02, LB7 160k new injectors at 130k, 1,000 miles on fuel filter. Bullydog gt, 5' turbo back. When idling in neutral, park, or drive the truck vibrates pretty severely half the time and pops and shakes when i shut it off also about 75 percent of the time. If if give it a little gas it idles...
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