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Direct fuel injection (DFI).
The spray and cone angles have
been optimised for torque, power
The new Boxster S engine has
output, fuel consumption and
direct fuel injection (DFI). With
emissions by enabling a homoge-
millisecond precision, fuel is inject-
neous distribution of the air/fuel
ed directly into the combustion
mixture and, therefore, effective
chamber at up to 120 bar pressure
combustion.
via electromagnetically actuated
injection valves.
Depending on throttle input,
multiple fuel injection takes place.
DFI improves the internal cooling
of the combustion chamber by
preparing the mixture directly
in the cylinder. The resulting higher
compression ratio (12.5:1) helps
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to deliver more power along with
The exhaust gas cleaning system
enhanced engine efficiency. It has
ensures that emissions remain
therefore been possible to reduce
well below even the strict limits of
CO
emissions by up to 16 % and
the Euro 5 European emission
2
fuel consumption by up to 15 %*.
standard, thus helping to protect
Injection is regulated by the elec-
the environment.
tronic engine management system.
*Depending on type of transmission.
Boxster |
· 29 ·
Drive
Boxster S
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