2005 Pontiac G6 car won't start

Hi, I'd check the basics first. Have a helper crank it while you visually check for spark at the plugs. If you have spark everywhere, use a gage and check fuel pressure. To check for spark, you can use a known good spark plug or spark tester. Then you just pull a plug wire, place the tester in the boot, ground to metal part of engine, watch for spark. Also, some of the national brand autostores used to loan out a fuel pressure gage.