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Fuel Level Sender for 03 C4s Replacement DIY/Diagram?


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I searched here and I seem to have the first indication of the Fuel level sender going. Got the fuel gauge dropping to zero, followed by warning light only for the gauge to spring back into action a few moments later. So I'm figuring at possibly coming to having to replace this if it persists.

So I have a few questions:

1. Is there a diagram / procedure to do this oneself and can someone post it?

2. It is indicated via search that the Turbo needs to have the fuel sender calibration done by the dealer since the fuel tank is a saddle U shape due to AWD. Since the C4s probably has the same tank config, I'm guessing this is necessary on the C4s as well. If so, is this procedure do-able if one had access to the Durametric or some other non Porsche tool? If so, what is that procedure?

Thanks!

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  • Admin

Calibrating fuel level sensor system

Note:

  • Calibration is necessary after replacement of the fuel tank, fuel level sensor or instrument cluster.
  • The fuel level sensor system need not be calibrated if the battery was disconnected or a plug connection on the instrument cluster or fuel level sensor was removed. The values remain stored in the instrument cluster.
  • A range on remaining fuel of less than 15 km is not displayed in the instrument cluster.

1. Disconnect the battery and cover terminal or battery.2. Remove cap over the fuel level sensor system.3. Remove fuel level sensor.4. Using a fuel extractor, completely drain the fuel tank through the fuel level sensor opening.5. Make sure that the two recesses on the left and right−hand sides of the tank are emptied completely.6. Reinstall the fuel level sensor and, with "ignition off", fill the tank with 28 liters of fuel.7. Perform tank calibration with the Porsche System Tester 2:

  • Select vehicle type (911 Carrera)
  • Select control modules
  • Select instrument cluster
  • Select menu item "Tank calibration"
  • Confirm calibration

8. The fuel level sensor system has now been calibrated.

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