A4 Quattro Sedan V6-2.8L (ACK) (1997)
Fuel level between "Tank full" and "Tank empty" must cause a resistance value that falls between the two specified values.
If 0 Ohms or Infinity Ohms is measured
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There is an open or short circuit in the tank wiring.
NOTE: To check the resistance values for "Tank full" or "Tank empty" remove the sender for fuel gauge and swing the sensor float to the top or bottom
stop.