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Rev limit in Tiptronic?

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YOUR RESEARCHRev limit in Tiptronic?

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Clean carb

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Performed · outcome unconfirmed · Original poster
So after reading a couple of threads today I bought some carb cleaner on the way home and cleaned the carb.
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Rev limit in Tiptronic?

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Leading evidence: 'Clean carb' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean carb' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

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Clean carb

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Reported fixes: 0
Unsuccessful attempts: 1
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Discussions that performed work without a confirmed outcome: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

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Performed · outcome unconfirmed · Original poster
So after reading a couple of threads today I bought some carb cleaner on the way home and cleaned the carb.
Original post Read captured discussion
Rev limit in Tiptronic?

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Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

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POST 1 / ORIGINAL POSTEROriginal post

OK, I noticed this last weekend whilst giving my 996 a major service, that the throttle body could do with a little cleaning. So after reading a couple of threads today I bought some carb cleaner on the way home and cleaned the carb. No worries so far... I started the car after reassembly and after a small delay it fired up fine. Sat on the drive for a little bit and then blipped the throttle... everything fine so far... but then I decided to rev it up a little further and was abruptly stopped by what seemed to be a rev limiter at around 4k rpm? Is this normal. It is only when in Park or Neutral. When I drive the car normally it revs up to 5,6k and more, and is normal. Is this a tip thing? And is just that I have never noticed it before? GETTING MORE PARANOID THE MORE AN MORE I THINK ABOUT THIS...

POST 2Original post

Sorry, that is normal. The 4000 RPM limit is to protect the torque converter from damage when there is no drive speed present.

POST 3 / ORIGINAL POSTEROriginal post

Sweet - thank the maker!!!! Hey Loren, while you're on - I just got back from a quick drive and now the cat is rattling. I had a P0420 which from memory is the left bank emissions something or other... when the CEl came on I banged both cats and one was noticeably more rattly than the other... now it's rattling at idle!!! Busted? Time for Porsche to pony up for a new one under the emissions law? Will it still be ok to drive until I can get it in?

POST 4Original post

Quotes source post: 5360646

Hi Loren Sorry to dig up an old thread but noticed this yesterday on my Tiptronic 996 Mk#2 C4S while doing a static noise test at a track day However, when I did the same in my Tiptronic 996 Mk#1 C2S it would quite happily rev over 4000 RPM and almost got me busted at the static noise test Is the behaviour different between the models or is it because I did the first test with the car in D and the second (I guess but can't be sure) with the car in Park? Many thanks

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