My 85 did that. The computer got wet.
Pull the kick panel on the passenger side and see if yours got wet.
Feel the carpet around that area. The windshield frame had a little rust and the water ran down to drip on the ECU <img src="/forums/images/graemlins/angry.gif" alt="" />

Last edited by toyrunner; 10/07/09 05:15 AM.
1985 SR5 4Runner
eLocked with Carter Lock
4.7:1 single case
Davez Offroad twin stick