The speed sensor became intermittent on my dad's 92 Trooper as well. If the speedo was dead for a number of miles eventually the ECU shut the engine off and he had to ,pull over and restart. I'd replace the speed sensor ASAP to avoid a problem on the highway.

-Tad


1994 Trooper. 3.2 DOHC/auto. 4.77s,3xARB, OME 919HD springs. 34" Swamper LTBs
2001 Trooper "stock" <img src="/forums/images/graemlins/wink.gif" alt="" />
http://www.planetisuzoo.com