help help help!!!!

in the last week ive changed....

cam sensor

crank sensor

glow plugs

glow plug relay

and master fuse

my car still wont start... brake lights work fine and can spray easy start and it fires up.... getting g28 fault code but all is new and wiring is fine.....

any idea id be grateful

Engine speed sensor?

http://wiki.ross-tech.com/wiki/index.php/16705/P0321/000801

I'm beginning to suspect that your starter simply isn't spinning the engine over fast enough which is why it will start if bumped.

 

Therefore I suspect the battery since it's only started playing up since it got colder, try jumping it from another car as well and see if it starts.