Car is a 54 plate vectra c v6 cdti.
changed headgasket an replaced all belts etc.
Checked the timing marks an double checked. Now it cranks at full speed but not firing a sprayed a some carb cleaner in whilst cranking an it trys to fire but then cuts out.
I think it's fuel related. Could someone tell me which way round fuel lines are connected at filter? And also any ideas as to what it could be for not starting
No fault codes showing either.