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Only vehicles that have the 5.3L V8 engine
(VIN Code Z) may use 85% ethanol fuel (E
-85).
Many service stations will not have an 85% ethanol
fuel (E
-85) pump available. The U. S. Department
of Energy has an alternative fuels website
(http://afdcmap.nrel.gov/nrel/) that can help you find
E
-85 fuel. Those stations that do have E-85 should
have a label indicating ethanol content. Do not use the
fuel if the ethanol content is greater than 85%.
Your vehicle may not operate properly if the ethanol
content is greater than 85%.
At a minimum, E
-85 should meet ASTM
Specification D 5798.
To insure quick starts in the wintertime, the E
-85 fuel
must be formulated properly for your climate according
to ASTM specification D 5798. If you have trouble
starting on E
-85, it may be because your E-85 fuel is not
properly formulated for your climate. If this happens,
switching to gasoline or adding gasoline to your fuel
tank may improve starting. Your vehicle is designed to
accommodate a mixture of gasoline and E-85 fuel. For
good starting and heater efficiency below 32 F (0 C),
the fuel mix in the fuel tank should contain no more than
70% ethanol.
E
-85 has less energy per gallon than gasoline, so you’ll
need to refill your fuel tank more often when using E
-85
than when you’re using gasoline. Regular unleaded
gasoline is recommended when pulling a trailer. For
payload capacity with ethanol fuel see “Loading Your
Vehicle” in the Index.
NOTICE:
Some additives are not compatible with E-85 fuel and
may harm your fuel system. Damage caused by
additives wouldn’t be covered by your new vehicle
warranty. Don’t use additives with E
-85 fuel.
NOTICE:
Your vehicle was not designed for fuel that contains
methanol. It can corrode metal parts in your fuel
system and also damage plastic and rubber parts.
That damage wouldn’t be covered under your
warranty. Don’t use fuel containing methanol.