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  1. 01-04.5 LB7 Duramax Powertrain
    bought an 01 max 2 months ago with 143.000 miles... drove truck for two days and truck starts to knock and white smoke really bad.. ran the tests to check and showed bad injectors and diesel in oil... call dealer with vin to find out truck has already had them replaced at 25 and 55,000.. so i...
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