Originally Posted by 1981zapper
What causes the RPM's to drop a lot from Park to Drive?, In Park it will idle at 950 RPM and in drive it drops down to 550 RPM and wants to stall
I'm having the same problem with my truck. It idles at 1000 rpm in Park, and drops to 500 when in gear, forward or reverse. I drove the truck up and down the street tonight after a long time, and the transmission didn't even seem to shift.