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Home >> Audi >> 1982 >> 5000 S, 2.0L Eng VIN H, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Computerized Engine Control - Digital Timing Control >> Operation >> Data Sensors >> Intake Air Sensor
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Intake Air Sensor

Intake air flows through the sensor in the front of the intake manifold. The signal changes as air temperature varies. The sensor signal is processed by the fuel/timing control unit only when boost pressure is above 14.5 psi (1.02 kg/cm2 ).

The intake air temperature sensor causes ignition timing to retard as air temperature increases. This helps to prevent engine knock or pinging.

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