Hi everybodyI have A4 2.5 tdi ake engine..... When i drive the car on 3000rpm and put off the acceleration pedal in measured block in channel 11 give me information about overboost... Real value: 1500mbar, required value: 1100mbar... then hear a sound psszszsz coming from air filter.... on idle when accelerate and rpm go down hear this: [ame=http://www.youtube.com/watch?v=hYBGfjw1EWg]Audi A4 2.5 TDI Quattro Turbo Sound - YouTube[/ame]
THIS IS NORMAL IN THIS ENGINE???? REGARDS!!!
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13th December, 2011, 10:18 PM #1Top Poster
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Problem with turbo??? A4 AKE 2.5TDI....
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13th December, 2011, 10:44 PM #2V.I.P. Member
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Has the engine been modified in any way ?? any bolt on goodies
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13th December, 2011, 11:01 PM #3Top Poster
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No engine is stock..... all parts turbo ,N75 , Vacum pipe is ok....
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14th December, 2011, 01:49 AM #4DK Veteran
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Check your (Barometric Sensor in ECU) also the Boost Pressure Sensor which is fitted from the Inter-cooler pipe.....................
Thanks Ash
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14th December, 2011, 08:35 AM #5Top Poster
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Barometric sensor is ok.....
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14th December, 2011, 10:11 AM #6DK Veteran
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Originally Posted by mcgustoo
Boost Pressure Sensor ????????????? Which is fitted near Inter Cooler
Thanks Ash
Oh yes if my post was helpful than Please don't forget to press the Magic word Thanks
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14th December, 2011, 10:50 AM #7Top Poster
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Boost sensor too.....
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17th January, 2012, 08:50 PM #8Newbie
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Mcgustoo, I think your 'pssszssz' sound could be pressure leak, or it could be connected to ur overboost problem, ur VNT could be stuck on "full load" ant the turbo is overfilling pressure.
That's what i can tell acording to the video. For further info bring the car to my service no charges
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17th January, 2012, 09:10 PM #9V.I.P. Member
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That was a month ago, im sure he's got it sorted by now Originally Posted by biliibros
Mcgustoo, I think your 'pssszssz' sound could be pressure leak, or it could be connected to ur overboost problem, ur VNT could be stuck on "full load" ant the turbo is overfilling pressure.
That's what i can tell acording to the video. For further info bring the car to my service no charges
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18th March, 2012, 08:43 PM #10Top Poster
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I think is normal... I have heard Audi a6 my friend with the same engine - works that!
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