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Home >> Audi >> 2016 >> S4 Premium Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (4.2L - Engine Mechanical, Engine Code(S): BNS) >> 26 - Exhaust system, Emission controls >> Secondary Air Injection (AIR), servicing >> Secondary Air Injection (AIR), component overview >> Installation location of Secondary Air Injection (AIR) Solenoid Valve N112

Installation location of Secondary Air Injection (AIR) Solenoid Valve N112

WARNING: This page is about a different car, the 2008 Audi RS 4 and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Installation Location Of Secondary Air Injection (AIR) Solenoid Valve N112
GW00018529Courtesy of VOLKSWAGEN UNITED STATES, INC.
  1. Vacuum line from intake manifold
  2. Secondary air injection (AIR) solenoid valve N112
  3. Vacuum line to Secondary Air Injection (AIR) combi-valves