Do you have a P0299 underboost code? This is probably the reason why, the wastegate lose its strength and function. We've seen it on BMW and Audi cars... | By Eurocharged Minneapolis
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My Auto Repair: 2006 Audi A4 Quattro 2.0 Turbo FSI P0299 Underboost
P0299 and P0303 DTC 2008 audi TT fwd 2.0t fsi - AudiWorld Forums
Вестгейт и ошибка P0299 — Audi A4 (B7), 2 л, 2005 года | визит на сервис | DRIVE2
Dans la série voyant préchauffage + perte de puissance - A4 B7 / A4 B7 Cabriolet - (2004 à 2007) - AudiPassion [4Legend.com]
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Probleme Turbina - Page 136 - TDi Forum - vwForum.ro