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Home >> Volkswagen >> 1995 >> Passat GLS, 2.0 A, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Intake Air Temperature Sensor
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Intake Air Temperature Sensor

  1. Turn ignition off. Disconnect intake air temperature sensor. Remove sensor from intake manifold and plug opening in manifold. Reconnect sensor to wiring harness.
  2. Connect Scan Tester (VAG 1551) to Data Link Connectors (DLC) located in center console, in front of shift lever. Start engine and allow it to idle. With scan tester in READ TEST VALUE BLOCK function, select group "03" and read intake air temperature sensor value in field No. 4 of scan tester.
  3. Spray sensor with cooling spray and observe value on scan tester. Scan tester value must decrease. If temperature value does not change, repair intake air temperature sensor circuit or replace sensor as necessary. After repairs, erase Diagnostic Trouble Code (DTC) memory, if applicable, and select END OUTPUT function.
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