Operation CHARM
: Car repair manuals for everyone.
Home
>>
Audi
>>
2009
>>
A8L Quattro Sedan (4E8) W12-6.0L (BSB)
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Emission Control Systems
>>
Air Injection
>>
Description and Operation
>>
Secondary Air Injection
Secondary Air Injection
Secondary Air Injection
The Secondary Air Injection (AIR) system heats up the engine faster, and thereby the
catalytic converter
achieves operation readiness earlier after a cold start.