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Audi TT s Underboost chk engine

Old 07-17-2018, 03:15 PM
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Default Audi TT s Underboost chk engine

Audi TT s 2009 , underboost.
P0299

Any ideas on how to fix and if this is a diy job or a pita instructions part number parts from eBay would be appreciated thanks all
Old 07-20-2018, 07:30 AM
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Originally Posted by Auditt2018
Audi TT s 2009 , underboost.
P0299

Any ideas on how to fix and if this is a diy job or a pita instructions part number parts from eBay would be appreciated thanks all
Very often it is the diverter valve. Do yourself a favor and order it from an Audi dealer. Many of the parts on eBay are fakes/knock-offs and you'll only trade one issue for another.

This is the part 06H145710D. https://www.audihendersonparts.com/p...6H145710D.html This dealer gives 25%+ discounts on genuine audi parts parts.
Old 07-20-2018, 08:50 AM
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Default Location of the valve

Originally Posted by JeffreyTT
Very often it is the diverter valve. Do yourself a favor and order it from an Audi dealer. Many of the parts on eBay are fakes/knock-offs and you'll only trade one issue for another.

This is the part 06H145710D. https://www.audihendersonparts.com/p...6H145710D.html This dealer gives 25%+ discounts on genuine audi parts parts.
hi geoff can you send me a picture of the location or describe where it is thanks
Old 07-20-2018, 06:59 PM
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Default Diagram how do I access part 8

Old 07-21-2018, 06:36 PM
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It sits on the turbo. I found this video, it is shot from underneath.
Old 08-01-2018, 10:47 AM
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Originally Posted by Auditt2018
Audi TT s 2009 , underboost.
P0299

Any ideas on how to fix and if this is a diy job or a pita instructions part number parts from eBay would be appreciated thanks all
Check your diverter valve. if its D type then you will most likey need new turbo due to p0299
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