I know this is discussed a lot, but I am about to pull the trigger on a 2007 997TT, Tip from a dealer and wanted to get comments on the DME interrogation:
Ignitions:
Range 1: 4641 412.9 h
Range 2: 241 405.1 h
Range 3: 1 172.6 h
Range 4: 1 172.6 h
Range 5: 1 172.6 h
Range 6: 1 172.6 h

Happy to supply any other PPI data that would be helpful.
I am unsure how you can have 1 ignition in any range. I've seen this debated before, but left unresolved.

Thanks for everyone's thoughts. I am likely buying the car in the next 24 hrs, so speak now or forever hold your peace.

if a car has over-revs higher than range 3 then severe engine damage is very possible, and warranty is void

Previous owner needs driving lessons.

next

I don't think it is possible to have one ignition alone in any given range.
I assume this is some sort of error.
Anyone have any definitive info?
Thanks!

If one employs a rev limiter how can there be an over rev? Would it be a 1st-2nd-1st shifting error?

5-2 downshift. But then again, this is a Tiptronic.

wait a second, if this is a tiptronic then why are you concenred about over-revs? On my 335 bmw the car would automatically shift at redline in tiptronic mode, and it would not let me downshift into a gear that would be over-revving....

somethings fishy here?

I may have this confused, but as it was explained to me, what you are seeing is the number of occurrences and the last engine time it happened.

I was also told it was 'normal' to see hundreds of L1 and L2. However this car appears to have thousands of events in only hundreds of hours.

I would probably ask someone not interested in the sale to explain this to you properly.

May have popped out of gear or somehow found neutral. It looks like it was ridden hard and put up wet to me.

Can someone explain exactly what it means exactly. Thanks

OK, so this DME report really isn't bad. The Range 1 and 2's are legit but the others are in error. You can not have 1 ignition in each range 3-6 as it is cumulative so this a DME error not a driver problem. Range 1-3 are considered normal. The car is fine.

To read the report: The number is the amount of ignitions (6cyl = 3 ignitions per revolution) in that range and the hours indicate the last engine hour when the ignition occurred.

Range 1: 7300-7500rpm
Range 2: 7500-7700
Range 3: 7700-7900
Range 4: 7900-8400
Range 5: 8400-9500
Range 6: 9500-11000<!-- google_ad_section_end -->

I have had this very problem with my 08tt since I bought it 5 years ago. When I say problem there are a few cars that are getting these events logged in error. Porsche replicated the problem on mine in the workshop, replaced the crank angle sensor and we thought the problem was solved. However since then these events have continued to be logged (and no the engine has never been over revved at those rev ranges). Some folk have replaced the starter with possible success. In a tiptronic it is physically impossible to get thosr rev ranges as the computer won't allow those downshifts.

I also believe if the car is tuned the errors are more prevalent as the rev limits are moved. DME report is a tool, not the bible.

Agree with these statements 100%. I have a tuned Tip and it is very easy to bump up against range 1-2 s. If you are accelerating hard at all, it is almost impossible not to hit them. That said...many years now and car is still great, and has not exploded!

This is one data point as mentioned.

DC