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Panamera The 4-dour coupe by Porsche

2010 Panamera Sport Exhaust Problem

 
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Old 01-02-2019, 11:17 PM
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2010 Panamera Sport Exhaust Problem

The exhaust on the car sounds the same whether the sport exhaust is turned on and off. I assume the sound should be different, and what are the possible source of problem and fixes?
 
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Old 01-03-2019, 09:12 AM
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There's a vacuum line that moves a valve on the exhaust system to activate/close Sports mode.
Start from exhaust tips back along the exhaust pipe, you should be able to see a vacuum line going into the exhaust system.
It may have simply popped off.
 
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Old 01-04-2019, 08:13 AM
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If it popped off, you will have sport exhaust all the time. If you just plug hte hoses with a cap to prevent dirt going in, you will have sport exhaust full time without any buttons.
 
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Old 01-04-2019, 01:59 PM
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I have sport exhaust too, and you really can’t hear the difference in the car. Get someone to sit in the car and hit the button, you should see the servos activate underneath
 
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Old 01-08-2019, 07:56 PM
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Thanks everyone for their input. I checked the exhaust and the connections. Everything was in order and double checked that the rod to the valve was moving back and forth between the modes. There is a slight difference in sound but barely noticeable in idle. I had the car in for the cam shaft controller fastener recall, and had the dealer take a look, and he says everything is working fine. I guess my sport exhaust does not sound like any one of the youtube videos I have seen/heard.
 
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Old 01-08-2019, 07:58 PM
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I was just wondering if the previous owner reprogram the controller because the previous owner was a 60+ old lady with grandkids, and maybe did not want the loud exhaust sound which I see/hear on youtube videos. The service history did indicate that there was a reprogram to the controller.
 
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Old 01-17-2019, 05:16 PM
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What controller ??!! cam shaft ? or just cam shafts fasteners ?
Valves moving or not - that's all.
Standard sport exhaust you won't see much difference, actually hardly will see when it is idling,
more notable on acceleration.
 
 
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