Every since I put some gas cleaner in my tank i'm having a problem with my jeep stalling at idle. Before that it would sputter a little during driving. I replaced the Gas Filter, plugs, wires Dist Cap and rotor. 2 years ago I also replaced the crank shaft position sensor. Today I was tinkering around cleaning my grounds and such and when I started it I could hear a strange squeak coming from the distributor cap. It almost sounds like a bearing is worn or the rotor is hitting the inside of the cap lightly? Anyone? I appreciate the advice. I don't want to keep replacing stuff if it's not the problem. Thank you, Max