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SGS has a good reputation on the net. You can burn out the fuel pump running the gas level in the tank too low. You can also start to pick up debris, clog a fuel filter, clog the injectors. I'm sure they will check the fuel system. Be sure and tell then of the run low on gas incident to help their diagnosis focus on the problem area and reduce the time you pay for their diagnosis.

I believe the issue is related simply to a fuel supply interruption - sloshing effect of a low fuel level upon acceleration away from lights. On a side note, you really should change the oil back to that recommended by Porsche.

Don't forget those side air intakes as well! Sent from my SM-G900V using Tapatalk

0W-40 or 0W-50 are Porsche recommended oils depending on your local climate. Where I live it is common to have several days (in a row) over 100 degrees F -- I have always still used 0W-40 with no issues. More important is to keep those (leaf and debris catching) radiators clean. The kind of cleaning where you remove the front bumper (covered here even in video) and clean the hard to get to places.

I hadn't driven the car lately and took it out for a spin. After it warmed up, I stretched it's legs until the speedo pegged stupid, then i eased out of it for a mile or so and exited the highway. When I got to the intersection the oil pressure lamp lit up and i noticed it was about .3 bar. I could hear my sphincter pull my Levi's into my collon. A quick blip of the throttle brought it back up to 1.5, where it mostly stays. Even cold it doesn't usually make it over 3. So I headed to the house and hit this forum to find what I thought was my best guess as to what is causing this. The top choices seemed to be switching to the hotly contested "right" oil viscosity or a collaped or improperly fitted oil filter. I considered both of these causes and the bad charma my wife continues to throw at me and this car because she just doesn't get it. The correct answer turned out to be the bad karma. She caused the low pressure piston spring to break in the middle and the movement/vibrations allow it to thread itself back together to make a half as long - twice as strong spring, and that apparently will cause low pressure pretty much all the time. I ordered the part from the stealership $8, bought a cool new hat, and once it came in I swapped the springs. It took me little more detective work to find the bolt the spring goes over but once I did it is a 60 second swap. BTW, you can let out a lot of oil in those 60 seconds so be ready. That fixed it. 5 bar at start up, 1.5 at idle, and 3-5 going running thru the gears. I'm willing to bet there are more of these worn out springs/bad wife karma combos out there so now you know. Maybe the brighter already knew.