User Manual - Page 355

For 2021 JEEP COMPASS.

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TECHNICAL SPECIFICATIONS 353
GASOLINE/OXYGENATE BLENDS
Some fuel suppliers blend unleaded gasoline
with oxygenates such as ethanol.
Problems that result from using gasoline
containing more than 15% ethanol (E-15) or
gasoline containing methanol are not the
responsibility of FCA and may void the New
Vehicle Limited Warranty.
E-85 USAGE IN NON-FLEX FUEL
V
EHICLES
Non-Flex Fuel Vehicles (FFV) are compatible
with gasoline containing up to 15% ethanol
(E-15). Gasoline with higher ethanol content
may void the New Vehicle Limited Warranty.
If a Non-FFV vehicle is inadvertently fueled with
E-85 fuel, the engine will have some or all of
these symptoms:
Operate in a lean mode.
OBD II “Malfunction Indicator Light” on.
Poor engine performance.
Poor cold start and cold drivability.
Increased risk for fuel system component
corrosion.
CNG AND LP FUEL SYSTEM
M
ODIFICATIONS
Modifications that allow the engine to run on
Compressed Natural Gas (CNG) or Liquid
Propane (LP) may result in damage to the
engine, emissions, and fuel system
components. Problems that result from running
CNG or LP are not the responsibility of FCA and
may void the New Vehicle Limited Warranty.
METHYLCYCLOPENTADIENYL
M
ANGANESE TRICARBONYL (MMT) I N
G
ASOLINE
MMT is a manganese-containing metallic
additive that is blended into some gasoline to
increase octane. Gasoline blended with MMT
provides no performance advantage beyond
gasoline of the same octane number without
MMT. Gasoline blended with MMT reduces
spark plug life and reduces emissions system
performance in some vehicles. FCA
recommends that gasoline without MMT be
used in your vehicle. The MMT content of
gasoline may not be indicated on the gasoline
pump, therefore, you should ask your gasoline
retailer whether the gasoline contains MMT.
MMT is prohibited in Federal and California
reformulated gasoline.
CAUTION!
DO NOT use E-85, gasoline containing metha-
nol, or gasoline containing more than 15% eth-
anol (E-15). Use of these blends may result in
starting and drivability problems, damage criti-
cal fuel system components, cause emissions
to exceed the applicable standard, and/or
cause the Malfunction Indicator Light to illumi-
nate. Please observe pump labels as they
should clearly communicate if a fuel contains
greater than 15% ethanol (E-15).
9
21_MP_OM_EN_USC_t.book Page 353
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