2004 Pontiac Vibe Q&A

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

please let me know thank you -
Answer 1
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 -