A4 Quattro Wagon V6-2.8L (AHA) (1998)
Fuel Gauge Sender: Testing and Inspection
Checking Fuel Level Sensor
Required special tools, testing equipment and auxiliary equipment
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Fluke 83 multimeter
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VW 1594 Adaptor kit
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Remove connector flange cover under luggage compartment trim.
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Unlatch and disconnect 4-pin harness connector -1-.
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Measure resistance at terminals -2- and -3- on cover flange.
NOTE:
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If fuel level falls between "Tank full" and "Tank empty" resistance value between the two specified values must be displayed.
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If 0 ohms or Infinity ohms is displayed there is an open or closed circuit in tank wiring.
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To check "Tank full" or "Tank empty" resistance values; remove Fuel Gauge level sensor -G and swing the sensor float to top or bottom stop. See:
Service and Repair