What causes the excessively high resistance of the fuel level sensor 2 in Audi A6L?
1 Answers
The excessively high resistance of the fuel level sensor 2 in Audi A6L indicates an issue with the fuel level sensor. Possible causes based on fault code analysis: Fuel gauge sensor malfunction, fuel pump control unit failure (for CST engines), wiring harness fault between instrument cluster and fuel level sensor, instrument cluster malfunction. Since the fuel gauge sensor has been replaced, this can be basically ruled out. Use a multimeter to measure according to the circuit diagram. Reasons for excessive resistance of fuel level sensor 1 in Audi A6: Fuel level sensor 1 contamination, poor fuel quality, damaged sliding resistor on fuel level sensor, fuel gauge sensor malfunction, fuel pump control unit failure (for CST engines), wiring harness fault between instrument cluster and fuel level sensor, instrument cluster malfunction.