A4 Sedan V6-3.2L (BKH) (2007)
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Disconnect electrical harness connector - arrow - at locking flange.
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Connect hand multimeter V.A.G 1526 B between terminal - 2 - and - 3 - for resistance measurement.
NOTE:
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If measured value is 0 ohm there is a short circuit. If measured value is infinity ohm there is and open circuit in the wiring.
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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
upper or lower end position.
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With fuel level sensor G removed, the following values are obtained because of the greater deflection of the floater arm:
Installation is in reverse order or removal.