my 86 190e-16v stalled on me at a stop light. i restarted it, but ounce i move 5feet or so it stalled again! it keeped this up for at least 4 restarts. my o2 sensor light came on during the stalling of my car. this happened at least 2 weeks ago, and it hasn't reoccured. what do you guys think the problem is? also >> my valves are quite noisy; every when or so should i adjust the valves on my 16v, and is it to much trouble to try and do it myself?......THANKS FOR YOUR REPLIES""""""