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Home >> Audi >> 2014 >> A5 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (1.8L - Turbo Engine Mechanical, Engine Code(S): AMB) >> 26 - Exhaust system, Emission controls >> Secondary air system, checking >> Function and tightness of secondary air combination valve, checking >> Notes

Function and tightness of secondary air combination valve, checking: Notes

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

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Fig 1: Identifying Hand Vacuum Pump V.A.G. 1390
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