hi i have this rav4 came in with the timing belt snapped i have removed the head changed all the valve & re fitted everything it won’t start no spark or fuel but when i plug onto the diagnostics plug it sparks but still won’t start no fault codes need help checking timing as i know engine at tdc crank pulley should be on “0” & cam pulley has a small hole put a drill piece into the head but don’t know about the gear that runs the other cam how it would be set up there are 3 marks on both gears. thanx