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188 STARTING AND OPERATING
3. Fully insert the fuel nozzle into the filler pipe.
4. Fill the vehicle with fuel.
NOTE:
When the fuel nozzle “clicks” or shuts off,
the fuel tank is full.
Wait five seconds before removing the fuel
nozzle to allow excess fuel to drain from the
nozzle.
5. Remove the fuel nozzle, reinstall fuel cap and
close fuel filler door.
NOTE:
Tighten the fuel filler cap about a quarter turn until
you hear one click. This is an indication that the
cap is properly tightened.
AVOID USING CONTAMINATED FUEL
Fuel that is contaminated by water or dirt can
cause severe damage to the engine fuel system.
Proper maintenance of the engine fuel filter and
fuel tank is essential see Ú page 362.
BULK FUEL STORAGE — DIESEL FUEL
If you store quantities of fuel, good maintenance of
the stored fuel is also essential. Fuel contaminated
with water will promote the growth of “microbes.”
These microbes form “slime” that will clog the fuel
filtration system and lines. Drain condensation
from the supply tank and change the line filter on
a regular basis.
NOTE:
When a diesel engine is allowed to run out of fuel,
air is pulled into the fuel system.
If the vehicle will not start see Ú page 364.
DIESEL EXHAUST FLUID
Your vehicle is equipped with a Selective Catalytic
Reduction (SCR) system to meet the very stringent
diesel emissions standards required by the
Environmental Protection Agency.
The purpose of the SCR system is to reduce levels
of NOx (oxides of nitrogen emitted from engines)
that are harmful to our health and the environment
to a near-zero level. A small quantity of Diesel
Exhaust Fluid (DEF) is injected into the exhaust
upstream of a catalyst where, when vaporized, it
converts smog-forming nitrogen oxides (NOx) into
harmless nitrogen (N2) and water vapor (H2O), two
natural components of the air we breathe. You can
operate with the comfort that your vehicle is
contributing to a cleaner, healthier world
environment for this and generations to come.
System Overview
This vehicle is equipped with a Diesel Exhaust Fluid
(DEF) injection system and a Selective Catalytic
Reduction (SCR) catalyst to meet the emission
requirements.
The DEF injection system consists of the following
components:
DEF tank
DEF pump
DEF injector
CAUTION!
For diesel engines, only use diesel fuel for motor
vehicles in accordance with ASTM D-975 Grade
S15 specifications. The use of other products or
mixtures may damage the engine beyond repair
and consequently void the warranty, due to the
damage caused. If you accidentally introduce
other types of fuel into the tank, do not start the
engine. Empty the tank. If the engine has been
run for even an extremely limited amount of
time, you must not only drain the fuel tank, but
the rest of the supply circuit as well.
WARNING!
Do not open the high pressure fuel system with
the engine running. Engine operation causes
high fuel pressure. High pressure fuel spray can
cause serious injury or death.
22_JL_OM_EN_USC_t.book Page 188
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