Low accuracy of oil level measurement
Made some annoying experiences over the past few weeks with the oil level measurement in my 997S and are interested in other people's experiences.
I 'lost' the first bar (0.4l) of the oil level display after less than 400km.
The second bar vanished at around 600km.
I drove another 100km and oil level display still displayed 1 bar before minimum. So, I added 0.5l at 700km. Before the next drive I checked the oil in cold state and all three bars were displayed.
I drove another 100km. Before the next drive I checked the oil in cold state at around 800km and all bars (even the bar that indicates overfilling) are displayed!
I drove another 100km and had to enter the gas station to refuel. When I started the car after refueling, the oil measurement display popped up without me having started the oil measurement. It displayed all bars including the overfilled bar. The oil level display didn't vanish and I had to acknowledge the display with the onbord computer stick. I was really concerned and started the oil measurement in warm state with the car parked on even level. Oil measurement in warm state took about 5 minutes. Then it displayed just the 3 bars without the overfilled bar.
Before the next drive I checked the oil in cold state. The result was still 3 bars without the overfilled bar. I drove another 50km and before the next drive at 950km I just got 2 bars in cold state!
So, it went from overfilled display to 1 bar below maximum in just 50km. It looks like oil level measurement is not very accurate.
My advice is to never fill in more than 0.4l of oil if oil level display is 1 bar before minimum.
I 'lost' the first bar (0.4l) of the oil level display after less than 400km.
The second bar vanished at around 600km.
I drove another 100km and oil level display still displayed 1 bar before minimum. So, I added 0.5l at 700km. Before the next drive I checked the oil in cold state and all three bars were displayed.
I drove another 100km. Before the next drive I checked the oil in cold state at around 800km and all bars (even the bar that indicates overfilling) are displayed!
I drove another 100km and had to enter the gas station to refuel. When I started the car after refueling, the oil measurement display popped up without me having started the oil measurement. It displayed all bars including the overfilled bar. The oil level display didn't vanish and I had to acknowledge the display with the onbord computer stick. I was really concerned and started the oil measurement in warm state with the car parked on even level. Oil measurement in warm state took about 5 minutes. Then it displayed just the 3 bars without the overfilled bar.
Before the next drive I checked the oil in cold state. The result was still 3 bars without the overfilled bar. I drove another 50km and before the next drive at 950km I just got 2 bars in cold state!
So, it went from overfilled display to 1 bar below maximum in just 50km. It looks like oil level measurement is not very accurate.
My advice is to never fill in more than 0.4l of oil if oil level display is 1 bar before minimum.
(Or doesn't it ever rain? 
)
I gave the Porsche center a call. They would top up oil when I bring the car back two days later and I should just drive on. Luckily, I got no red oil level warning forcing me to immediately stop the car.
