User Manual - Page 438

For 2021 WRANGLER.

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436 TECHNICAL SPECIFICATIONS
Biodiesel is a fuel produced from renewable
resources typically derived from animal fat,
rapeseed oil (Rapeseed Methyl Ester (RME)
base), or soybean oil (Soy Methyl Ester (SME or
SOME) base).
Biodiesel fuel has inherent limitations which
require that you understand and adhere to the
following requirements if you use blends of
Biodiesel between 6% and 20% (B6–B20).
There are no unique restrictions for the use of
B5.
Biodiesel Fuel Properties — Low Ambient
Temperatures
Biodiesel fuel may gel or solidify at low ambient
temperatures, which may pose problems for
both storage and operation. Precautions can be
necessary at low ambient temperatures, such
as storing the fuel in a heated building or a
heated storage tank, or using cold temperature
additives.
Fuel Quality — Must Comply With ASTM
Standards
The quality of Biodiesel fuel may vary widely.
Only fuel produced by a BQ9000 supplier to the
following specifications may be blended to
meet Biodiesel blend B6 – B20 fuel meeting
ASTM specification D-7467:
Petrodiesel fuel meeting ASTM specification
D-975 and Biodiesel fuel (B100) meeting
ASTM specification D-6751
Fuel Oxidation Stability — Must Use Fuel
Within Six Months Of Manufacture
Biodiesel fuel has poor oxidation stability which
can result in long term storage problems. Fuel
produced to approved ASTM standards, if
stored properly, provides for protection against
fuel oxidation for up to six months.
Fuel Water Separation — Must Use Mopar
Approved Fuel Filter Elements
Biodiesel fuel has a natural affinity to water and
water accelerates microbial growth. Your Mopar
filtration system is designed to provide
adequate fuel water separation capabilities.
Fuel In Oil Dilution — Must Adhere To
Required Oil Change Interval
Fuel dilution of lubricating oil has been
observed with the use of Biodiesel fuel. Fuel in
oil must not exceed 5%. To ensure this limit is
met your oil change interval must be
maintained with in the suggested schedule. The
CAUTION!
Failure to comply with Oil Change require-
ments for vehicles operating on biodiesel
blends between 6% and 20% (B6–B20) will
result in premature engine wear. Such wear is
not covered by the New Vehicle Limited War-
ranty.
CAUTION!
Use of blends greater than 20% is not
approved. Use of blends greater than 20%
can result in engine damage. Such damage is
not covered by the New Vehicle Limited War-
ranty.
CAUTION!
In the event that the vehicle is filled with bio-
diesel and not used for more than a month,
the fuel should either be used up by driving
(up to quarter tank) and filled with standard
diesel blends with less than 5% that is nor-
mally available. This will help prevent the fuel
filter clogging and potential damage to the
fuel injection system due to degraded bio-
diesel, which is not covered by the New Vehi-
cle Limited Warranty.
21_JL_OM_EN_USC_t.book Page 436
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