This may help, it will also help cold starting to get that glow plug replaced.
https://workshop-manuals.com/vauxhall/as..._or_p0193/
https://workshop-manuals.com/vauxhall/as..._or_p0193/
Astra-J 2.0 CDTI S/S
Retrofitted AFL, TPMS, Navi950, BT, DAB, Rear Camera, Infinity sound system, Towbar, Flexfloor & more.
I can do programming and retrofits using genuine GM MDI and Dealer software.