The fuel light on my '03 620 will flicker dimly from time to time. I'll be riding along and it'll come on, real dim, and flicker. It will do this whether I am moving or at a stand still. It usually stops after 30 seconds or so. It will do this a couple times a week...even with a full tank of gas. Any ideas? Do the '03 models have an electrical glitch anyone knows about?