I have a toad alarm system on my car, but it doesnt have an immobiliser.

I'm not sure if it's wired into the fuel pump loom.

We found an air leak today and fixed that, drove the car about all afternoon, no probs. Went out to it tonight and it's doing the same thing again!

Think the next thing we're gonna try is the fuel pump regulator, but I'll def have a look into the alarm system