could have jump a few teeth, anyway Kia says to replace it every 60,000 miles. how many miles are on yours ? but it still might not be your problem, if you never changed your plugs read the sticky about it, ? where do you live ? VA I checked your profile.

Last edited by bombardj1; 12/26/08 06:19 AM.
2001 5sp. K&N stock filter 215/70/15
If your check engine light is on at least you know the light still works