Hi,
I own a 1999 Ford Explorer Sport - 4wd 4L SOHC - Automatic Transmission
At 25mph / 3000 rpm, when Explorer attempts to shift, the engine revs and the rpms will jump to 4500 / 5000 rpm, until I let off the gas, then it will shift into 2nd gear (or 3rd?).
However, if I accelerate...