Hi JC,
I betting your Throttle Position Sensor is drench in coolant, try
blowing it out with WD-40 and air pressu
http://members.cox.net/wilsond/tb/tb.html
God Bless America, Bill O|||||||O
http://www.billhughes.com/

JC wrote:
>
> Took my Cherokee to the outer banks to do some fishing and drove it in the
> sand until noticing it was overheating. Immediately stopped and let it cool
> down and realized I was losing coolant. Replaced the water pump and
> thermostat after carefully driving it home but now the transmission shifts
> from first to overdrive if I have it in D, or first to third if in 3. Fluid
> level is normal, and other than the shifting problem it runs fine. has
> anybody seen this problem and is there a fix (other than replacing the
> transmission)?
> thanks,
> JC