Is the car difficult to start after you fill it up? I had some of the same symptoms you described, but based on your report mine were a bit more severe. My car would be hard to start and then stall several times.
I had a CEL for the Mass Air Flow sensor. After replacing that I had another CEL for the evaporative system. That required the replacement of a hose and check valve in the evaporative system. Since then, I haven't had a problem.
The technician who repaired my car warned against overfilling the gas tank. Basically he recommended that I stop fueling as soon as the pump shut off automatically. Apparently topping off the tank wreaks havoc with the fuel system. I'm not sure I understand how that causes a problem, but I've followed that advice and haven't had a recurrence of my problem.
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2000 Arctic Silver/Black, Hard Top, On Board Computer
PNP Rear Speakers, HAES 6-Channel Amp, Avic Z140BH,
Painted Bumperettes, 2004 (OEM) Top, Homelink integrated in dash with Targa switch, 997 Shifter, Carrera Gauge Cluster with silver gauge faces, heated 997 adaptive sports seats, Litronics, silver console
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