The reason you get mixed responses is b/c it's very difficult to diagnose accurately over the internet. Also, it could be a number of different causes. You have to proceed trouble-shooting in a very orderly manner in a process of elimination. A shotgun approach will just leave you more confused. Find yourself a trusted mechanic by referral of friends or family. To learn more about your car, go to
st162.com That's where most of us 4th Gen'ers hang out. You'll get some knowledgeable help there.