1. Test all under-hood and under-dash fuses with a test light or multimeter:
http://www.askmehelpdesk.com/cars-tr...tml#post252145
2. Ensure battery is fully charged and battery terminals and cable connections are clean.
3. Check for codes. Autozone will do this for free.
4. Install new spark plugs--the exact make and part no. that came in the car.
5. Replace fuel filter.
6. If problem persists, replace the coil:
Zip Code Entry at PartsAmerica.com
My diagnosis, from afar, is that the battery needs replacing.