On P is on 1 rpm but when i put it on R or D with brake is shakes n rpm goes down on 2004 Pontiac Vibe

please let me know thank you

by in Wilmington, CA on December 22, 2009
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
ANSWER by , January 08, 2010
Sounds like you have a rough running engine with possibly a vacuum leak Any Check Engine Light or Service Engine Soon Light on? go here to understand more http://repairpal.com/check-engine-light