Operation CHARM
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Audi
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2009
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TT Roadster (8J9) L4-2.0L Turbo (BPY)
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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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Turbocharger
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Air Bypass Valve
Air Bypass Valve
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Testing and Inspection
Turbocharger Recirculating Valve (N249), Checking
Wastegate Bypass Regulator Valve (N75), Checking