cmp

  1. TJonfire

    Codes for CPS and CMS: do I replace both?

    I have P0341, P1391, PO351 01 TJ 4.0 Auto I put an aftermarket CPS in and it ran terrible with a lot of white exhaust. Put the old CPS back in and ran wayyy better, but still struggled to idle and eventually cut out, no no start only crank. It may go again. Do I change the CMP and CPS. I have...
  2. troyston

    Throttle position sensor acting up after replacement: Wiring Issues?

    A few weeks ago I had a crank/no start (and then intermittent stalling) issue that I resolved by replacing the TPS and cleaning up some ground leads. I wasn't quite certain I was out of the woods yet, but it drove fine for a couple of weeks. Today it just stalled twice at intersections around...