2014 911 GT3 Section 2 9/12/13 7:51 AM Page 20
911 GT3 (991) 2.2 Fuel system Fuel quality
DME Engine electronics
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The engine is designed for unleaded fuel 93 octane ( R+M 2 ). Adaptation is performed by the knock control if fuels with a fuel quality of at least 90 octane are used.
Fuel tank The capacity of the standard fuel tank is 16.9 gal. (64 l). The fuel reserve is 2.6 gal. (10 l). The fuel tank contains the electric fuel pump, the fuel filter (lifetime filter), the fuel pressure regulator and the fuel-level sensor. The pump chamber is filled by a
The specifications and safety instructions
sucking jet pump, which works according to the Venturi principle.
in the PIWIS information system Group 2 must be observed when working on the
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1 - Electric fuel pump 2 - Sucking jet pump (Venturi nozzle) 3 - Fuel filter 4 - Fuel pressure regulator, approximately 79.75 psi (5.5 bar) 5 - Fuel low-pressure line to the high-pressure pumps
Fuel low-pressure side On the low-pressure side of the returnless fuel system (RF), fuel is supplied by way of the electric fuel pump in the tank. The fuel low-pressure is maintained at maximum 79.75 psi (5.5 bar) using the fuel pressure regulator. The nominal values for the fuel low-pressure, holding pressure and the fuel delivery rate can be found in the PIWIS information system.
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fuel system.
