6-5
To provide cleaner air, all gasolines in the United States
are now required to contain additives that will help
prevent engine and fuel system deposits from forming,
allowing your emission control system to work properly.
You should not have to add anything to your fuel.
Gasolines containing oxygenates, such as ethers and
ethanol, and reformulated gasolines may be available in
your area to contribute to clean air. General Motors
recommends that you use these gasolines, particularly if
they comply with the specifications described earlier.
NOTICE:
Your vehicle was not designed for fuel that
contains methanol. Don’t use fuel containing
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.
Diesel Fuel Requirements and
Fuel System
Diesel Engine Fuel
For the Caterpillar
R
diesel, see the Caterpillar
R
Operation & Maintenance Manual for information
concerning fuel usage.
NOTICE:
Diesel fuel or fuel additives not recommended in
this manual could damage your fuel system and
engine. Your warranty wouldn’t cover this
damage. And:
D
Diesel fuel that has been mixed with engine
oil could damage your engine and emission
controls.
D
If you ever run out of diesel fuel, it can be
difficult to restart your engine. To avoid all
this, never let your tank get empty.
If you run out of fuel, “Running Out of Fuel,” later in
this section, tells you how to restart your engine.
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