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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 52 (20 Fuel Supply, Actuator 3.8L (Eng Code MDK.H) -- 992 - 911 CARRERA (992)) >> WM, 206601 Checking Fuel Delivery Rate >> Preliminary Work

Preliminary Work

WARNING: This page is about a different variant/trim than selected.
WARNING: Highly inflammable or explosive materials 
  • Danger of fire or explosion 

    → Avoid contact with hot parts or sources of ignition.

    → Use suction to remove ignitable vapours.

    → Attach warning sign in a clearly visible position.

    → Contain leaked media using non-flammable absorbent material and put it in a container designed for this purpose for disposal in accordance with local requirements.

    → Secure collection containers/vessels to prevent them from tipping over.

WARNING: Danger of fire due to escaping fuel and hot engine components 
  • Danger of material damage and injury 

    → Only check fuel pressure and delivery rate when the engine is cold.

Information 

  1. Charge the battery with a charge voltage of 12.5 volts.

    2X00IN BATTERY TRICKLE CHARGING

  2. Attach or mount a warning sign -1-  in a clearly visible position on the vehicle.
    G15507352Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Warning sign when working on the fuel system

    Information 

    • The position of the fuse for the fuel pump can be found in the current Porsche After Sales vehicle electrical system documentation (PAB) fuse assignment. 
    • → PPN → Porsche After Sales vehicle electrical system documentation (PAB) 
  3. Relieve fuel pressure in the system.

    Pull out fuse for fuel pump.

    Start the engine and wait until it cuts out.

    Insert fuse for fuel pump.

  4. Only for Cabriolet: 

    Move convertible top to service position.

    Refer to the appropriate service information.

  5. Remove engine-compartment blower cover and engine-compartment blower at the left.

    198119 REMOVING AND INSTALLING ENGINE-COMPARTMENT BLOWER