A3 Quattro V6-3.2L (BUB) (2008)
Fuel Level Sensor: Testing and Inspection
Fuel Level Sensor (AWD Version 2), Checking
Fuel Level Sensor, Checking (AWD Version 2)
Special tools, testers and auxiliary items required
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Hand-held multimeter V.A.G 1526C
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Connector test set V.A.G 1594C
Test Sequence
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Remove rear seat bench.
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Unclip catches - arrows - of right connector flange cover.
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Disconnect electrical harness connector - arrow - at locking flange.
NOTE: On vehicles with 3-wire sensor technology, the connector for fuel level sensor G is equipped with 5 terminals.
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Connect multimeter between terminal - 2 - and - 3 - for resistance measurement.
Fuel Level Sensor G installed:
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Sensor at lower stop: Approximately 270 Ohms.
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Sensor at upper stop: Approximately 70 Ohms.
NOTE:
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To check resistance values "tank full" or "tank empty", the fuel delivery unit must be removed and the floater of the sensor must be placed in