Unclean fuel can decrease fuel system life.
AUGUST 2017 | VehicleServicePros.com 21
only a primary fuel fi lter, which protects both the
pump and the injectors.
Fuel injection pump – Th e fuel injection pump
pressurizes fuel before delivery to the fuel injectors.
Th e fuel system may be pressurized to 3,000
psi and higher at the fuel injection pump.
Fuel injectors – Th ese deliver fuel to the
combustion chambers, which produce energy for
the vehicle’s drivetrain.
The Importance of Clean Fuel
Th e primary reason clean fuel is so important
is fuel injector performance. Tougher emissions
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