1999 pontiac grand am with the 2.4 auto,at idle like at a stop light car has a vibration,put it in nutural idles fine.im thinking bad motor mount or tranny mount,turn on the ac it really vibrates at idle,it runs great,just rough idle.
Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.