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Pecky
Newbie


Joined: 10 Mar 2016
Posts: 7



PostPosted: Fri Feb 17, 2017 1:10 pm    Post subject: Strange tiptronic Reply with quote

I think ive got a ghost in my box,when in lower geras there a jump like a gear shift and the revs drop as normal but no shift then the shift hapoens and it changes up.could this just need an oil change,any ideas guys
 
  
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lofi
Suzuka


Joined: 08 Jun 2009
Posts: 1044
Location: Surrey/Kent border

2001 Porsche 996 Turbo

PostPosted: Fri Feb 17, 2017 3:20 pm    Post subject: Reply with quote

What's the age of the car? There are different control units for diff aged cars and it helps a little.

Would what you've described be explained as a pause between the shift happening and the torque convertor locking up, if that makes sense?
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ex 944 2.5 manual
ex 964 C4 manual
 
  
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Pecky
Newbie


Joined: 10 Mar 2016
Posts: 7



PostPosted: Fri Feb 17, 2017 4:01 pm    Post subject: Reply with quote

Its a 99 carrera 2.its more like you set of as normal in second then revs dip and it seems just like its changed up but dash indicater still shows second,revs keep building up then a second dip in revs then change up to third,same happens from third to forth.thanks for reply
 
  
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lofi
Suzuka


Joined: 08 Jun 2009
Posts: 1044
Location: Surrey/Kent border

2001 Porsche 996 Turbo

PostPosted: Sun Feb 19, 2017 2:32 pm    Post subject: Reply with quote

Ok, not sure I can be much help, but a couple of things. Does it do the same from 1st to 2nd? I ask because there is no torque convertor lock up on 2nd. Secondly, does it do it with a manual change and thirdly, does it still do it if you put the box into its most aggressive map, which is done by pumping twice quickly on the accelerator?
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ex 944 2.5 manual
ex 964 C4 manual
 
  
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Demort
Sepang


Joined: 21 Mar 2015
Posts: 2784
Location: Sussex


PostPosted: Sun Feb 19, 2017 7:46 pm    Post subject: Reply with quote

With any new faults on a tip box then checking for fault codes is the first thing , after that an oil and filter change is the cheapest way to possibly correct any problems.
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