20 15 01 Calibrating fuel level sensor system · Warning! Thefuel levelsensorsystemhas nowbeen

911 Carrera (996) Fuel supply, control 20 15 01 Calibrating fuel level sensor system Warning! Thefuel levelsensorsystemhas nowbeen Danger of fire and injury! calibrated. & > Observegeneral safety Note regulationson the fuel system. The fuel level sensor system need not be Wear protective gloves, calibrated if the battery was disconnectedor a plug connectionon the instrumentcluster or fuel level sensor was removed. The values remain Note stored in the instrumentcluster. Calibrationis necessaryafter replacementof the A range on remainingfuel of less than 15 km is fuel tank, fuel level sensor or instrumentcluster. not displayedin the instrumentcluster. Removebattery and detach battery cover. 2. Removefuel level sensor; refer to ServoNo. 20 66 19 (Removingfuel pump). Using a fuel extractor, completelydrain the fuel tank through the fuel level sensor open- ing. Fuel extractor: Refer to the Workshop EquipmentManual,Chapter 3 'Workshop Equipment". 4. Reinstallthe fuel level sensor and, with "ignition off', fill the tank with 12 litres of fuel. 5. Perform tank calibration with the Porsche SystemTester 2. Select vehicle type (911 Carrera) Select control modules -Select instrumentcluster Select menu item Tank calibration -Confirm calibration 20 1501 Calibrating fuel level sensor system 20 -9 Printed in Germany -29, 1999 996209 >3.