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  1. Duramax First Generation: 2001-2004 (LB7)
    Ok guys so i just got this 01 LB7, she’s a 4x4 extended cab truck in great shape. And under 200k miles! My only problem so far is this weird idle surge. Sometimes it happens sometimes it doesn’t, sometimes it’s only in drive at idle and not in park and sometimes the opposite. I replaced the FPR...
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