-   my 2000 blazer will start but back fire and shut off. it will run smooth at high rpms. i changed the crank sensor, but still sounds to be out of timing.-   raloser71
my 2000 chev blazer want start . at first it was turning over but wouldn't do nothing. now it want do anything i even put a new battery in it and it still want to nothing. do you think it might be the starter? janice