Just joined the forum today, partially because of the title of this thread! I have a 2000 Lexus, experiencing the same issues. One, or both of the speedo/tach needles stops working, then will randomly come back to life. It stopped doing this for several months, but then did it again a few days ago. Took it to my local Lexus shop while the needles werent working, and they were able to determine that it wasn't the speed sensor on the transmission, so it's therefore likely an issue with the gauges themselves. If you look on ebay, or google search, you will find that there are a few companies out there that can repair the gauges. My local shop doesn't, but they referred me to an electronics shop here in the Atlanta area that can do the repair (and offers a lifetime warranty)...It was $300, including removal and reinstallation in the car. I don't really have anything to compare that quote to (since I'd have to remove and reinstall myself if I dealt with the ebay/internet companies). I'm on the fence about doing the repair, since it's been a problem so rarely. But if it gets worse or more frequent, I probably will do it as I'm trying to sell my car (only 18K original miles...shameless plug!)