S6 V8-4.2L (BBD) (2004)
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Bank 2
5
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Mass Air Flow (MAF) sensor -G70- with Intake Air Temperature (IAT) sensor -G42-
6
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4-way connector
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For Heated Oxygen Sensor -G39- and Oxygen Sensor (O2S) Heater -Z19-
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Bank 1
7
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Valve 1 for camshaft adjustment -N205-
8
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Fuel pressure regulator
9
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Engine Coolant Temperature (ECT) sensor -G62-
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On coolant pipe behind cylinder head, bank 1
10
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Throttle valve control module -J338-
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With Throttle drive (power accelerator actuation) -G186-, angle sensor -1- for throttle drive (power accelerator actuation) -G187- and
angle sensor -2- for throttle drive (power accelerator actuation) -G188-
11
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Secondary air injection (AIR) solenoid valve -N112-
12
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4-way connector
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For Heated Oxygen Sensor (HO2S) 2 - G108- and Oxygen Sensor (O2S) 2 Heater -Z28- upstream of catalytic converter
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Bank 2
13
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3-pin connector
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For Engine Speed (RPM) sensor -G28-
14
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Camshaft Position (CMP) sensor 2 -G163-
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Cylinder bank 2
15
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Secondary air injection (AIR) pump relay - J299-
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In electronic box in plenum chamber
16
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Motronic Engine Control Module (ECM) - J220-
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In electronic box in plenum chamber
17
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Ignition coils with output stages
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Cylinder bank 2
18
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3-pin connector
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For knock sensor (KS) 2 -G66-
19
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Valve 2 for camshaft adjustment -N208-
20
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Intake manifold changeover valve
21
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Manifold intake changeover valve
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In S6 models Intake air switch-over valve - N335-
22
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Camshaft Position (CMP) sensor -G40-
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Cylinder bank 1
23
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Ignition coils with output stages
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Cylinder bank 1
24
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Secondary air injection (AIR) pump motor -V101-
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Underneath on right of longitudinal member