The problem: A rattling noise may be heard coming from the engine upon cold startup. This may be due to a faulty timing-chain tensioner. 2015 Audi A6; 2011 Audi A7; 2012 Audi A7; 2013 Audi A7 The Audi A4 B7 3.0 had two versions, and the 233 HP is specified to have DPF. Does that mean that the 204 HP is without one? 3.0 TDI V6 (204 Hp) quattro (2004-2008) 3.0 TDI V6 (233 Hp) quattro DPF (2006-2008) Same question goes for A3 8P 2.0 TDI (170 Hp) quattro DPF (2008-2013) 2.0 TDI (170 Hp) quattro (2008-2013) 2.0 TDI (170 Hp) quattro (2006 Location. Reno/Sparks, NV. TDI. 2004 Jetta TDI (manual) Sep 9, 2006. #2. Knocking, smoking, surging idle. They don't all have to show up at once, but any of these symptoms could be caused by a bad injector. I recommend the use of a cleaning fuel additive on a regular basis to help prevent this situation. 44 AUDI A6 año 2011 de particulares y concesionarios de segunda mano y ocasión. ¡Encuentra AUDI A6 año 2011 al mejor precio! AUDI A6 Avant 3.0 TDI 240 quattro BrendanTT (03-25-2023) Q7 MK 1 Discussion - HELP::: Late Starting problem - Q7 3.0tdi BUG - Dear All, Frustrated and tired, i need help in diagnosing the exact problem with late starting (and sometimes never starting) of my 2007 Q7 3.0 TDI with BUG Engine. On different diagnostics and advices, I have already replaced the following; - Fuel .

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