2000 Jeep Wrangler TJ 32RH 170k Miles     I bought this last fall with intentions of making it my forever Jeep since it replaces an identical one I had back when they were new. It had its engine replaced by a sketchy shop. I have been fixing things ever since. Some of the things I have fixed will be listed at the end of this post. In the interest of thoroughly understanding why this is happening and learning as much as possible, i`d like to keep this limited to diagnostics, testin