has the check engine light come on? was there any recent work done to it?
Ok, we need to find out what turned on the light. go by a local auto parts store and have them scan the computer for codes. Places like autozone will do it for free, and let you know the code that turned the light on. once you know what it is, write it down and let us know what the code is. This will help greatly in diagnosing your car quickly and accurately
let me know what you find