Could be several things.
Bad plug wire or plug
Bad fuel injector or wiring
Burned or stuck valve (compression test will show this)
With a little more information, I can help you narrow it down. Please advise.
Dec 4, 2008 at 5:24 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.