Operation CHARM
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Audi
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1990
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80 L4-1984cc 2.0L SOHC (3A)
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Technical Service Bulletins
Engine Control Module: Technical Service Bulletins
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Electronic Control Unit - Improved Idle Quality
ECU - Precautions