worst thats happened to me, and probably worst so far (havent read all responses). my car just shut off on the freeway, so i coasted it to the exit which happened to be the one i was getting off of. Pulled over, look around, nothing looks damaged, check under the car and notice oil around the oil drain plug in the front, so i check the dipstick and there was no oil on it... I fugured the motor just seized and had it towed home. It takes me about a week to wrap up the motor i had on the side (stock but rebuilt) between work and other things....So I pull out the old motor and dropthe new one in, hook everything up, go to start it up and nothing... i'm starting to get worried that perhaps i didnt do a good job of rebuilding it. check connections and everything, give it another shot to no avail... it would just turn but not fire up, so i figured it was fuel or spark... fuel was good, so i took the control module and ignition coil to Autozone to have them checked out, turned out the module was bad. that coupled with the fact that the motor once out of the car turned fine(not seized), and there was no metal shavings in the oil pan leads me to believe the motor it self was fine, i just had a bad module and nothing else. I guess I really wanted to put that fresh motor in.