Plymouth Voyager Transmission STUCK IN GEAR

Hi, I Just Recently Bought This Van And Knew About The Problem Just Trying To Get An Idea Of What Is Wrong So I Can Fix It. It Drove Fine...

The Automatic Trans Stops Shift Into Higher Gears After It Gets Warmed Up. Checked The Fluid And Seems Ok. Just Gets Stuck In Low Gear For...

Ok Let Me Explain What Happend. Yesterday My Wife Was Driving The Van And When She Got Home She Told Me That It Was Acting A Little Funny....

I Have A 1990 Plymouth Voyager That I Recently Got. It Seemed To Run Well And Then One Day My Husband Was Driving It And It Switched Over...