I have found the cause: my feed pump wasn't running well and I got stranded because it didn't run at that moment at all anymore!
Logical that when you have no fuel anymore, the engine dies out...duh!
I had a spare 944 pump I switched over and it started cold immediately again :mrgreen:
Pffft!
I left the fuel pressure to 60 psi, so according to the flow sheet that should give me 1180 cc, which should be enough anyways. Just need to re-map the fuel map but thats no biggie.
Very glad it was something this simple, but scary as it could have ended far worse. Amazingly and fortunately the engine held...
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