I have a 94 wrx import and reacently had a new (graham goode) cam belt fitted by a scooby specialist which jumped teeth (not sure how many) in under 700miles, now the belt has been replaced with a genuine 1 it wont start it just backfires,please help as i really don`t want 2 sell my pride and joy.
Thanks Dan..

 

may have damaged some valves.. get a compression tester and check the compression.

JGM