misfire

Well I'm at a loss. Bit of a story with this one but I'll just cut to the chase, working on this for a friend. The serpentine belt rallied off and took out the crankshaft and camshaft sensors. He had a shop replace them but now we have a no start condition. Shop basically told him to put it up...

:confused:So, Today driving at around 35mph I had to accelerate hard to pass a vehicle... and got up to 55mph and then the strangest noises started to appear and my dash light up (my Check Engine light was flashing yellow). What I mean a CRAP ton of misfires I swear i'm either running on two or...