I wanted to do my own oil change on my 2002 alero 2.2L for the first time since, so then here's what happened. I drained the oil(i think..i don't think it was the transmission) then i had to leave real quick after putting the drain plug back in. And my brother didn't notice and started up the car (without any new oil or filter) and backed up the car for about 3 sec and the car stalled. and now I that i put in the new oil and filter, the car still doesn't start. any advice?