Still trying to find
Join Date: Jun 2011
Location: United Kingdom
I know this article is 4 weeks old now, but I had the exact same problem with my 156, had some work done on the car, nothing major, had the air filter housing box replaced, went to start the car up, was turning over but no ignition, the injector warning light and other warning lights were prmantly on, even in MAR position in the key ignition.
Long story short, they left an earth lead disconnected round by the gearbox/air filter box, called out a guy from Italian race services in Essex, plugged a diagnostic in and told him the problem straight away.
All I can say is look at the obvious things around the engine bay, (electrically) that might be disconnected.