If you cannot get your car to move, I think the following quote might help you to troubleshoot (at least for a slipping transmission) Thanks!
"Posted at Fri Sep 10, 2010 8:49 am
By rasmataz, Certified 2CarPros Master Technician
(26388) Give Feedback | Votes: 547
Sounds like your transmission is slipping bad-if not check the throttle position and manifold absolute pressure sensors-
_________________
Donations/Feedbacks/Votes are very much appreciated, Thank you for using 2carpros and please! Do come back and invite friends/families to join-Goodbye and Take care"
SPONSORED LINKS
Saturday, September 11th, 2010 AT 12:25 AM