Fuel E85 (85% Ethanol)
The 8th digit of the Vehicle Identification Number
(VIN) shows the code letter or number that
identifies your vehicle’s engine. The VIN is at the
top left of the instrument panel. See Vehicle
Identification Number (VIN) on page 607.
If your vehicle has the 5.3L V8 engine (VIN
Code 0) or the 5.3L V8 engine (VIN Code 3), you
can use either regular unleaded gasoline or
ethanol fuel containing up to 85% ethanol (E85);
also see Fuel on page 488. In all other engines,
use only the unleaded gasoline described
under Gasoline Octane on page 489.
Only vehicles that have the 5.3L V8 engine
(VIN Code 0) or the 5.3L V8 engine (VIN Code 3)
can use 85% ethanol fuel (E85). We encourage
the use of E85 in vehicles that are designed to use
it. The ethanol in E85 is a “renewable” fuel,
meaning it is made from renewable sources such
as corn and other crops.
Many service stations will not have an 85%
ethanol fuel (E85) pump available. The U. S.
Department of Energy has an alternative fuels
website (www.eere.energy.gov/afdc/infrastructure/
locator.html) that can help you find E85 fuel.
Those stations that do have E85 should have a
label indicating ethanol content. Do not use
the fuel if the ethanol content is greater than 85%.
At a minimum, E85 should meet ASTM
Specification D 5798. By definition, this means
that fuel labeled E85 will have an ethanol content
between 70% and 85%. Filling the fuel tank
with fuel mixtures that do not meet ASTM
specifications can affect driveability and could
cause the malfunction indicator lamp to come on.
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