Fuel Level Sensor: Testing and Inspection

2006 Audi A4 Quattro Sedan (8EC) V6-3.2L (BKH)SECTION Testing and Inspection


Fuel Level Sensor 2 G169, Checking

Special tools, testers and auxiliary items required







- Portable multimeter V.A.G 1526 C







- Connector test set V.A.G 1594 C

Test sequence
- Remove rear seat bench.







- Unbolt cover for left locking flange - arrows - .







- Disconnect electrical harness connector - arrow - at left locking flange.







- Connect hand multimeter V.A.G 1526 C between terminal - 2 - and - 3 - for resistance measurement.







NOTE:
- 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.
- To check resistance values "tank full" or "tank empty" , the Fuel Level Sensor 2 G169 must be removed and the sensor floater must be placed in upper or lower end position.
- With Fuel Level Sensor 2 G169 removed, the following values are obtained because of the greater deflection of the floater arm





RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.