need help

I left the house and got gas. I got stopped at a redlight and all of a sudden my rpm dropped to zero so I had to put my car in park and turn it back on but it took a few tries and I also had to rev the car for it to get the rpm back up I don’t understand why my rpm dropped to 0 at a stop

I have owned my 300c for almost 3 years now. It's a 2006, i have 5% tint k&n cai, magnaflow cat back exhaust. What should I do next? I am mostly focused on hp and torque. Thanks for the input

So I know absolutely nothing about this topic but I recently purchased a Cobra radar detector as well as a Cobra Hardwire Kit. Now the problem is I have no idea what to do with it, where to run it, and where to connect the wires to. I want to mount it under my rearview mirror and have the wire...

Hi all, I recently heard a loud whurring noise from under the hood, then the battery light started to come on intermitently, then stayed on solid. The day it stayed on solid it died, BAS,ESP,ABS, Battery, and Lightning bolt all came on with a very rough idle, then shut down. I had the alternator...