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  1. Speedometer showing Zero - Electrical / computer / sensor - Coincidence or growing problems

    06-07 LBZ & LLY Duramax Powertrain
    Ok sorry for the wall of text, but there is a lot of info for my problems, Thank you for reading. So I posted a few days ago about an oil leak on the passenger side and found that there was a fair amount of oil pooled in the ERG cooler. After it all drained out and I re-tightened the bolts to...