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RS 6
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Exhaust System, Emission Controls - 4.2L V8 5V BITURBO - BCY
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Exhaust System, Emission Controls
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Secondary air system, overview
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Combination valve for secondary air system
Combination valve for secondary air system
At rear of cylinder heads
NOTE:
Illustration shows valve on left side.
Fig 1: Identifying Combination Valve For Secondary Air System
Courtesy of AUDI OF AMERICA, INC.
Courtesy of AUDI OF AMERICA, INC.