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Help Reading DME report

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Old 03-21-2018, 04:48 PM
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BreakfastJ
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Default Help Reading DME report

Any guidance or advice on the below is greatly appreciated. this is a 2017 turbo s.

Thanks!


Old 03-21-2018, 04:50 PM
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BreakfastJ
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Should I be concerned with Overspeeds or Misfire counter found in this report?

Also- is any information missing from this report? or is this the full DME results?

Last edited by BreakfastJ; 03-21-2018 at 05:20 PM. Reason: add content
Old 03-21-2018, 06:24 PM
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kitwetzler
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No, I wouldn't worry about either of these at all. Looks like it was driven - overrevs with PDK should be impossible.
Old 03-21-2018, 06:26 PM
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LexVan
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Can you see the number of "launch controls" on the DME report?
Old 03-21-2018, 06:28 PM
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BreakfastJ
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Originally Posted by kitwetzler
No, I wouldn't worry about either of these at all. Looks like it was driven - overrevs with PDK should be impossible.
Am I to take away that it is a BAD thing that there are some in range 1 and 2?
Old 03-21-2018, 06:42 PM
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kitwetzler
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Originally Posted by BreakfastJ
Am I to take away that it is a BAD thing that there are some in range 1 and 2?
http://www.911virgin.com/porsche/rev-range-information/

These ranges should be the same for the 991 Turbo as well. As I said, nothing to worry about. The car was driven hard at some point but you can't exceed the rev limiter without PDK having some massive failure, so nothing to worry about. DME reports don't tell you much in a PDK equipped car. At the end of the day, these cars are stout and I would not take this as a reason to be concerned.
Old 03-21-2018, 06:44 PM
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BreakfastJ
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Originally Posted by kitwetzler
http://www.911virgin.com/porsche/rev-range-information/

These ranges should be the same for the 991 Turbo as well. As I said, nothing to worry about. The car was driven hard at some point but you can't exceed the rev limiter without PDK having some massive failure, so nothing to worry about. DME reports don't tell you much in a PDK equipped car. At the end of the day, these cars are stout and I would not take this as a reason to be concerned.
Any insight to the "M120_misfire counter for all ignitions"? Is this normal, any reason for concern here?
Old 03-21-2018, 08:53 PM
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dgrobs
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Is it possible to over-rev a PDK, even pushing it hard on the track?
Even in "auto-manual" with the lever to the left, how does one over-rev a PDK?
Won't it shift just before that point?
Old 03-21-2018, 11:08 PM
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Steve Cole
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A little tire spin or a decel where the car pushes forward a bit, unexpectedly. Say, you're braking downhill and the momentum carries you past redline as you transition to the brake.
Old 03-21-2018, 11:16 PM
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dgrobs
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Originally Posted by Steve Cole
A little tire spin or a decel where the car pushes forward a bit, unexpectedly. Say, you're braking downhill and the momentum carries you past redline as you transition to the brake.
Still not sure PDK will over rev in that scenario.
I'm almost (repeat almost), sure, that you cannot over-rev a PDK Transmission..
I could be wrong, just repeating what the service manager and GM at my store told me in the past.
Old 03-21-2018, 11:19 PM
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kitwetzler
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Originally Posted by Steve Cole
A little tire spin or a decel where the car pushes forward a bit, unexpectedly. Say, you're braking downhill and the momentum carries you past redline as you transition to the brake.
No, neither of these can overrev a PDK car.
Old 03-21-2018, 11:20 PM
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kitwetzler
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Originally Posted by dgrobs
Still not sure PDK will over rev in that scenario.
I'm almost (repeat almost), sure, that you cannot over-rev a PDK Transmission..
I could be wrong, just repeating what the service manager and GM at my store told me in the past.
The only thing that could overrev a PDK-equipped car would be a PDK control unit failure. (or sensors, etc) the likeyhood is very low.
Old 03-21-2018, 11:25 PM
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BreakfastJ
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Originally Posted by kitwetzler
The only thing that could overrev a PDK-equipped car would be a PDK control unit failure. (or sensors, etc) the likeyhood is very low.
So what am I to take away from these results coming from a PDK equipped 2017 Turbo S? Is this a reason to not buy the car? If not, should i have further tests done before I buy it, if so what can be done to make sure its not an issue?

Thanks! Greatly appreciate any guidance. Am looking to buy my first 911 and found this car. Would hate for my first experience to be a bad one!
Old 03-21-2018, 11:33 PM
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You have nothing to worry about concerning over-revs.
Enjoy the car....
Old 03-21-2018, 11:41 PM
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BreakfastJ
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Originally Posted by dgrobs
You have nothing to worry about concerning over-revs.
Enjoy the car....
What about the Misfires. Haven't really been able to find anything about that online. Any reason for concern?


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