Operation CHARM
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Audi
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2001
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A8 Quattro Sedan (4D2) V8-4.2L (AKB)
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Variable Induction System
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Variable Induction Control Valve
Variable Induction Control Valve
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Testing and Inspection
Change-Over Valve N156 & Intake Tuning (IMT) Valve 2 N261 Check
Checking Solenoid Valves For Obstructions and Leaks