I just changed the spark plugs on my 3.5L V6, the car runs fine for awhile but as I drive it around for a bit my Throttle Control Warning light will come on and flash until I turn the car off. When I turn the car back on after a minute or so the light will disappear for awhile and then will come...

-I have a 2007 300c base with 102,000 miles on it. -Check Engine and Electronic Throttle Control light come on and stay on -Key Dance gives no error codes So I get ready to go to work today and stumbled upon some issues. I stuck the key in the ignition and tried to start the car but it wouldn't...