i know it's not an astra, but hey ho, thought i'd try here.
Friend of mine has a T plate Corsa (1.2 or 1.4, she doesn't know - i aint seen it yet!) and she's having problems starting it from cold. Engine turns fine, just doesn't fire. Leaves it a while, comes back and it'll usually fire up with a bit of effort and sputter into life.
Fires up from hot/warm no problem.
Any idea what this could be people? I was thinking perhaps the spark plugs being all gunked up and a couple few ideas (Crank sensor, fuel filter, faulty temp sensor?). Was gonna have a quick look tomorrow at work so any suggestions before I do would be good!!