I solved the problem! The VSS on the transmission was fighting the ABS speed sensor for control. I unplugged the VSS on the transmission and everything is working perfectly!!!!

Thanks for responding. When it drops the motor surges down not up, so I don't believe it is slipping. It shifts firmly, but not overly, as it goes up the gears. The fluid is right on the marks.

I just installed a motor and transmission from my daughters 2005 Vibe that she wrecked (low miles) into another 2005 Vibe that I picked up. After completing the install, it started right up and ran great with no check engine light, or any other warning lights. On the first drive I experienced an iss...