Buy the pigtail for the Knock sensor, and a knock sensor. Drill the engine hook on the drivers side and tap it to the thread on the knock sensor.Clear the codes and drive it.If your getting a code 52 its going to run like crap.

 

So what ever happened? Would like to know... Im kinda in the same situation..

 

You'd be better off starting your own thread. List all your symptoms and all diagnostic tests you've done and thier results.