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Hesitation and rough idelling

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Old 06-10-2016, 04:24 PM
  #16  
Bilal074
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Originally Posted by plenum
This may be a Capt Obvious moment but try premium fuel from DIFFERENT stations, fuel manufacturers in your market.

+1 this may be a fuel issue, and +1 on checking-out the TB. Easy enough to get to the TB.
lol! Yes, I was planing to do that already after reading some posts of people saying that using shell gas helped in certain situations.

Thanks,
Old 06-10-2016, 06:50 PM
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Dewinator
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Originally Posted by Bilal074
Thank you so much for this feed back, It's great to learn from other peoples experience and really helpful. I will mention this to the tech and ask him to have a closer look. Sounds like it could be a common issue..
Yep my tech said the symptoms of air/fuel problems are hard to tell apart, but when the HPFP goes it will throw up a low pressure fault code that they can read off the system, whereas on the air side you don't get any faults unless it gets so bad that the computer detects incorrect engine operation.
Old 06-11-2016, 09:51 AM
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mtony
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...or you might just have the 2500-3000 RPM hesitation that many others have and Porsche has never found a fix for.
Old 06-11-2016, 10:49 AM
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Bilal074
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Originally Posted by mtony
...or you might just have the 2500-3000 RPM hesitation that many others have and Porsche has never found a fix for.
Hi, Thank you. I'm aware of the issue. My car does it all the time and its not subtle at all.
Old 06-11-2016, 12:58 PM
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pfan
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Originally Posted by mtony
...or you might just have the 2500-3000 RPM hesitation that many others have and Porsche has never found a fix for.
To be honest, Porsche has never found a fix because they refuse to acknowledge the problem.
Old 06-11-2016, 01:13 PM
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Originally Posted by Bilal074
Hi, Thank you. I'm aware of the issue. My car does it all the time and its not subtle at all.
The good news is, I think my car had a bit of the stumble before the new throttle was put in, and it seems to be fixed or at least lessoned now. So you might be killing two birds with one stone when you get a new throttle body fix your surge problem.
Old 06-21-2016, 08:22 PM
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Bilal074
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Hi all! thanks for all the help and feed back, I was able to use the information to request that the dealer checks the Throttle Body and they did found a bunch of dirt and gunk stuck around in there they cleaned and readapted the TB to the car and seem to be perfect now. I only had a chance to do a 30 minute drive along the airpot parkway in Ottawa to my house but idled smooth no hesitation.

again I want to explain that the hesitation i had was present at idle it's not related to the 3000k rpm or anything like that, It was hesitating all the time through out the rpm range.

hope this helps someone else. And again thanks!
Bilal



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