A8L V8-4.2L (BFM) (2004)
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Carefully release and disconnect electrical harness connector -1- on right connector flange.
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Connect multimeter between terminal 2 and 4 on connector -B- for resistance measurement.
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For measured value 0 Ohms there is a short circuit, for measured value Infinity Ohms an open circuit.
NOTE: To check resistance values "tank full" or "tank empty", Fuel Level Sensor 2 must be removed and the sensor floater must be placed in upper or
lower end position.
With sender for fuel gauge removed, the following values are obtained because of the great bending of floater arm: