Pontiac Montana Computer

My Engine Light Came On And It Says Reduced Engine Power. Then The Van Loses Power And Will Only Drive At 30 Km An Hr. It Doesn't Stall...

After Running A Few Minutes The Engine Starts To Skip, Buck While Driving Down The Road,wants To Stall. Replaced Tps And Ran Great For Day...

You Have To Turn Vehicle Off Then On To Reset. Then Go 30 Ft And Repeat Process.

We Had A Bad Transmission. New One Installed And Computer Is Showing Same Codes. New Trans Shifting Starting From 2nd Gear And Missing 4th...