DJ Shay

Situation I need an opinion on...please tell me if I am wrong....On Thursday a friend calls and asked can they borrow my car to go out of town to dj in another state. I was a little apprehensive but I said ok, you my boy/brother. I didn't asked for anything but just put my gas on a half a tank. So they use my car from Sat to Sun probably putting about 250 miles on my car for the weekend. Monday comes and I go to jump in my car...and yep you guessed it...my car stutter starts because it d...