Fuel
You can be injured and your vehicle could be
damaged if you
try
to do service work on a
vehicle without knowing enough about it.
Be sure you have sufficient knowledge,
experience, the proper replacement parts
and tools before you attempt any vehicle
maintenance task.
Be sure to use the proper nuts, bolts and
other fasteners. “English” and “metric”
fasteners can be easily confused.
If
you use
the wrong fasteners, parts can later break
or fall off. You could be hurt.
Adding Equipment to the Outside
of
Your Vehicle
Things you might add to the outside of your vehicle can
affect the airflow around it. This may cause wind noise
and affect windshield washer performance. Check with
your retailer before adding equipment to the outside of
your vehicle.
Use premium unleaded gasoline rated at 91 octane or
higher for best performance. You may use middle grade
or regular unleaded gasolines, but your vehicle may not
accelerate as well.
At a minimum, the gasoline
you
use
should meet
specifications ASTM
D4814
in the United States
and CGSB
3.5-M93
in Canada. Improved gasoline
specifications have been developed by the American
Automobile Manufacturers Association (AAMA) for
better vehicle performance and engine protection.
Gasolines meeting the AAMA specification could
provide improved driveability and emission control
system protection compared to other gasolines.
Be sure the posted octane for premium
is
at least
91
(at
least 89 for middle grade and 87 for regular).
If
the octane
is
less than 87,
you
may get a heavy knocking noise when
you drive.
If
it’s bad enough, it can damage your engine.
If you’re using fuel rated at the recommended octane
or
higher and you hear heavy knocking, your engine
needs service. But don’t worry if you hear a little
pinging noise when you’re accelerating or driving up a
hill. That’s normal, and you don’t have to buy a higher
octane fuel to get rid
of
pinging. It’s the heavy, constant
knock that means you have a problem.
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