I suppose you could drive the car around with a laptop an INPA running to monitor. Does the fuel pump make any weird noises? When the pump started to go in my Dodge it started sounding different pitch wise. If you are stalling I'd also expect occasional hard starts if it is the pump.

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2007 Kawasaki Ninja ZX-14
2006 BMW 750i
1972 Dodge Charger
1968 Dodge Charger
1967 Austin Healey Sprite