I Read Your Post. I Am Having Similar Problems With My "88".
There Are Several Posts On This Subject Right Now. Kind Of Odd. My Cars Is Doing Exactly As You And Others Have Stated. I Am Tryng To Find An Answer . If I Find It I Will Post It. Wil You Do The Same?
What Is This You Said About Resetting The Computer. This Is A New One On Me . How Is That Done?
Thank You