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Gasoline Octane
Use regular unleaded gasoline with a posted
octane rating of 87 or higher. If the octane rating
is less than 87, you may notice an audible
knocking noise when you drive, commonly referred
to as spark knock. If this occurs, use a gasoline
rated at 87 octane or higher as soon as possible.
If you are using gasoline rated at 87 octane or
higher and you hear heavy knocking, your engine
needs service.
Gasoline Specifications
At a minimum, gasoline should meet ASTM
specification D 4814 in the United States or
CAN/CGSB-3.5 in Canada. Some gasolines
may contain an octane-enhancing additive
called methylcyclopentadienyl manganese
tricarbonyl (MMT). General Motors recommends
against the use of gasolines containing MMT.
See
Additives on page 290
for additional
information.
California Fuel
If your vehicle is certified to meet California
Emissions Standards, it is designed to operate on
fuels that meet California specifications. See the
underhood emission control label. If this fuel is not
available in states adopting California emissions
standards, your vehicle will operate satisfactorily on
fuels meeting federal specifications, but emission
control system performance may be affected. The
malfunction indicator lamp may turn on and your
vehicle may fail a smog-check test. See
Malfunction
Indicator Lamp on page 178
. If this occurs, return
to your authorized GM dealer for diagnosis. If it is
determined that the condition is caused by the
type of fuel used, repairs may not be covered by
your warranty.
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Содержание 2007 Express 2007 Express
Страница 6: ...These are some examples of symbols that may be found on the vehicle 6 ...
Страница 19: ...Put someone on it Get it up to speed Then stop the vehicle The rider does not stop 19 ...
Страница 100: ... NOTES 100 ...
Страница 140: ... NOTES 140 ...
Страница 143: ... NOTES 143 ...
Страница 144: ...Instrument Panel Overview 144 ...
Страница 298: ...Engine Compartment Overview When you lift the hood here is what you will see 298 ...
Страница 368: ...3 Position the jack under the vehicle as shown Front Position Rear Position 368 ...
Страница 396: ... NOTES 396 ...
Страница 413: ...Engine Drive Belt Routing V6 Engine V8 Engine 413 ...
Страница 415: ...Maintenance Record cont d Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 415 ...
Страница 416: ...Maintenance Record cont d Date Odometer Reading Serviced By Maintenance I or Maintenance II Services Performed 416 ...