starting issues

I recently installed new carpet in my 2012 GT500, so the seats, center console, panels etc. came out of the car. Got it all back together and now when I turn the key on everything comes on like normal, but when I turn the key to start it, nothing happens. It's also showing "Service...

I have an 03 Cobra that runs very strong but after driving it hard for about 30 minutes or more and turn it off it starts up but immediately cuts off. The only solution is it sit for a few minutes or I press on the accelerator before it dies and then it will stay started. In the morning it...