not shifting

  1. K

    4.7L revving up and down while driving

    Hello everyone. I recently picked up a 2006 RAM 1500 with the 4.7L. It had a blown engine, so I swapped it with a 4.7 from an ‘06 Grand Cherokee. As I’ve tried to keep it alive, I find myself chasing problems. I’d really appreciate any insight yall may have. Here are the symptoms - While...
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