Operation CHARM
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Audi
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1991
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90 Quattro 20V L5-2309cc 2.3L DOHC (7A)
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Repair and Diagnosis
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Powertrain Management
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Computers and Control Systems
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Oxygen Sensor
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Locations
Oxygen Sensor: Locations
Refer to Computers and Control System component locations.
Component Locations