The light will remain on until the problem is cleared and it goes through enough cycles. Some CELs won't go off until they're reset. Having the codes read will tell you exactly why the light is on..otherwise you're just guessing. The 2 things that come to mind would be bad coil packs or something as simple as a vaccuum hose leak. Check the hoses to make sure you don't have rot on them.
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- Joe 
2001 Techno Blue Pearl 5 spd GLS. Heated leather, fog lights, power sunroof, alloy wheels.
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