My Geo has a fully charged battery, car engine turns over but car won't start. What could be the problem?

. Test all underdash and underhood fuses with a test light or multimeter:

https://www.askmehelpdesk.com/cars-t...tml#post252145

. Replace the Ignition Control Module and coil:

https://www.askmehelpdesk.com/cars-t...tml#post252145