cab chassic

  1. P

    Need help please.

    I have a 2005 Gmc topkick 4500, with a Duromax engine. The vin code called for a LLY engine, bought a used engine, placed in truck, will not run right, like its in Limp mode. The truck is a Bucket Truck, I am being told the truck was not a complete vehicle from factory but a cab chassis. So the...
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