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Home >> Porsche >> 2021 >> 911 Targa 4 >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> 20 Fuel Supply, Actuator 3.0L (Eng Code MDK.Ca) -- 992 - 911 CARRERA (992) >> WM, 200301 Checking Fuel Quality >> Checking Fuel Quality

Checking Fuel Quality

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.

Information 

  1. Push the measuring cylinder -1-  into the fixing clip -2-  in the case -arrow-  .
    G15503263Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Measuring cylinder in fixing device in the lid of the case

  2. Place the spindle sleeve -1-  under the lid of the case -arrow-  so that the measuring cylinder is horizontal.
    G15503264Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Placing spindle sleeve under the lid of the case

  3. Pour 500 milliliters (ml) -arrow-  of fuel into the measuring cylinder.
    G15503265Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Pouring fuel into measuring cylinder

  4. Carefully immerse the measuring spindle into the liquid and let it go.

    Do not drop the measuring spindle! 

    G15503266Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Do not drop the measuring spindle

    The spindle must be floating in the middle in order to read off the scale value.

    G15503267Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Position of measuring spindle for reading off value

    Read off the scale value.

    G15503268Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Reading off scale value on measuring spindle

  5. Assign the scale value using the table below.
    Scale value (at 20° Celsius) Assessment Comment
    below 0 Case for fuel laboratory (neither patrol nor diesel) Laboratory test required
    0... 5.5 Petrol EN 228  
    4.5... 6.5 E 85  
    approx. 7 E 100 (pure ethanol)  
    7... 9 No evaluation possible (neither patrol nor diesel) Laboratory test required
    9... 11 Diesel in Asia (Russia/India)  
    10... 13 Diesel in accordance with EN 590 (Europe)  
    13... 15 No evaluation possible, "wild mix" Laboratory test required
    15... 17 Biodiesel Laboratory test required
    above 17 Measuring spindle does not stay in the fuel (water-like density) Laboratory test required

    Information 

    • Fuel, fuel mixes and cleaning mixes must be disposed of according to the applicable national regulations. 
  6. After testing the fuel, wash out and wash off measuring equipment thoroughly using the cleaning brush, washing-up liquid and hot water.
    G15503269Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Cleaning measuring equipment

  7. After analyzing the fuel quality, carry out the required measures.