Originally Posted by dragons5050

I have a 2003 ford mustang that i recentely bought used from carmax. So far i have had no problems with the car starting at all until this morning. I drove the car earlier this morning with no problems but after a few hours of sitting in the driveway it now will turn over but won't start.

My father thinks it the newly intalled viper 350HV alarm system we had intalled 2 days ago. but we completely shut off the alarm system with no change whatsoever. Please help