Fuel Pressure Sensor: Service and Repair
Fuel Pressure Sensor (G247)
Special tools, testers and auxiliary items required
• Assembly Tool (T10118)
• Double Hexagon Socket, 1/2 inch, 27 mm (VAS 5301/7)
• Follow the safety measures for releasing the high side fuel pressure. Refer to => [ High Side Fuel Pressure, Releasing ] Service and Repair.
• For safety reasons, interrupt the current supply to the fuel pump, refer to => [ Safety Precautions ] Safety Precautions before opening the fuel system because the fuel pump is activated by the drivers door contact switch.
Removing
- Remove the engine cover/upper air filter housing. Refer to => [ Engine Cover/Upper Air Filter Housing ] Engine Cover/Upper Air Filter Housing.
- Remove the coolant pipe and oil dipstick guide tube bolts - arrows - from the intake manifold.
- Press the oil dipstick tube down and to the right - arrow -.
- Disconnect the connector from the fuel pressure sensor using assembly tool (T10118).
The fuel rail is pressurized! Always wear protective eye-wear and protective clothing to prevent injuries and fuel from coming in contact with your skin. Before loosening the fuel pressure sensor, place a cloth around the connection point. Then release pressure by carefully loosening.
- Remove the fuel pressure sensor using the double hexagon socket, 1/2 inch, 27 mm (VAS 5301/7).
Installing
Install in reverse order of removal. Note the following:
For the correct tightening specification, see => [ (Item 19) ] Fuel Rail, Injectors and Pipes Overview, from 05.06.