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Audi
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1992
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100CS Quattro Wagon V6-2.8L (AAH)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Mixture Calibration Potentiometer
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Description and Operation
Mixture Calibration Potentiometer: Description and Operation
PURPOSE
The CO Potentiometer, on the mass airflow sensor, is used to adjust the idle injection quantity only.
OPERATION
The CO Potentiometer varies an input resistance to the the ECM.