Originally Posted by DIGItonium

The engine start problem is coming back. This time it doesn't feel rough at all. I start it up 3 times. It starts as usual, gets to idle range, and then drops down to 0 RPM and dies as if I manually shut off the engine. I wait a bit and then try to give it some gas as it revs up and it's able to fire up and not die.

It doesn't happen all the time. I'll drive somewhere, park for a bit, then come back and it starts up fine.

I've not seen the car idle rough, and it drives fine. Would a vacuum leak cause this issue?