Hey got a 1993 chev with a 6.5 and a 4l80e trans. The trans will go into overdrive and lock up, then kicks out. I saw on a forum it could be the throttle position sensor and it may need adjusted so I did so. One way made it shift hard and would go into OD at all, the other would allow it to go...
Hey hoping for some help. I have 1993 one ton 4X4 with a 6.5 that started to lose oil pressure. I read that it could be the camshaft and bearings. Sure enough I pulled the camshaft and it was shot. Long story short, I replace cam and bearings, new crank, and new rod, main bearings, new heads...