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Home >> Audi >> 2000 >> A6 Sedan (4B2) V6-2.8L (ATQ) >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Air Injection >> Locations
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Air Injection: Locations




Secondary Air Injection (AIR) System, Overview







1 - Engine Control Module (ECM) -J220-
2 - Air cleaner
- Connection for intake air of Secondary Air Injection (AIR) Pump
3 - Secondary Air Injection (AIR) pump motor -V101-
4 - Connection
- Between air cleaner and secondary air injection pump
- Removing
5 - Vacuum line
- Control line between secondary Air Injection (AIR) solenoid valve -N112- and combination valves
6 - Connection tube
- From secondary air injection pump to combination valves
7 - Combination valves
- Located at rear of left and right cylinder heads
- Removing and installing
8 - Engine
9 - Right exhaust manifold
10 - Left exhaust manifold
11 - Secondary Air Injection (AIR) solenoid valve -N112-
12 - Vacuum reservoir
- Located in left-front wheelhousing
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