California Fuel
If your vehicle is certi ed to meet California Emissions
Standards, it is designed to operate on fuels that
meet California speci cations. 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 speci cations, but emission control system
performance might be affected. The malfunction
indicator lamp could turn on and your vehicle might fail
a smog-check test. SeeMalfunction Indicator Lamp
on page 3-54. If this occurs, return to your authorized
dealer/retailer for diagnosis. If it is determined that
the condition is caused by the type of fuel used, repairs
might not be covered by your warranty.
Additives
To provide cleaner air, all gasolines in the United States
are now required to contain additives that help prevent
engine and fuel system deposits from forming, allowing
the emission control system to work properly. In most
cases, you should not have to add anything to the fuel.
However, some gasolines contain only the minimum
amount of additive required to meet U.S. Environmental
Protection Agency regulations. To help keep fuel
injectors and intake valves clean, or if your vehicle
experiences problems due to dirty injectors or valves,look for gasoline that is advertised as TOP TIER
Detergent Gasoline. Also, your dealer/retailer has
additives that will help correct and prevent most
deposit-related problems.
Gasolines containing oxygenates, such as ethers and
ethanol, and reformulated gasolines might be available
in your area. We recommend that you use these
gasolines, if they comply with the speci cations
described earlier. However, E85 (85% ethanol) and
other fuels containing more than 10% ethanol must
not be used in vehicles that were not designed for
those fuels.
Notice:Your vehicle was not designed for fuel that
contains methanol. Do not use fuel containing
methanol. It can corrode metal parts in the fuel
system and also damage plastic and rubber parts.
That damage would not be covered under your
warranty.
Some gasolines that are not reformulated for low
emissions can contain an octane-enhancing additive
called methylcyclopentadienyl manganese tricarbonyl
(MMT); ask the attendant where you buy gasoline
whether the fuel contains MMT. We recommend against
the use of such gasolines. Fuels containing MMT can
reduce the life of spark plugs and the performance
of the emission control system could be affected.
The malfunction indicator lamp might turn on. If this
occurs, return to your dealer/retailer for service.
6-6
Additional Required Services
The following services should be performed at the rst maintenance service after the indicated miles (kilometers)
shown for each item.
Additional Required Services
Service and Miles (Kilometers)25,000
(40 000)50,000
(80 000)75,000
(120 000)100,000
(160 000)125,000
(200 000)150,000
(240 000)
Inspect fuel system for damage or
leaks.•••
Inspect exhaust system for loose or
damaged components.•
Replace engine air cleaner lter. See
Engine Air Cleaner/Filter on page 6-22.•••
Replace passenger compartment air
lter.See footnote (e).• •••••
Change automatic transmission uid
and lter (severe service).
See footnote (f).•••
Change automatic transmission uid
and lter (normal service).•
Replace spark plugs.An Emission
Control Service.•
7-5
Normal Maintenance Replacement Parts
Replacement parts identi ed below by name, part number, or speci cation can be obtained from your dealer/retailer.
Part GM Part Number ACDelco®Part Number
Engine Air Cleaner/Filter Elements
4.4 L V8 Engine 10342024 A2945C
4.6 L V8 Engine 25099149 A1208C
Engine Oil Filter
4.4 L V8 Engine 89017527 PF26
4.6 L V8 Engine 89017342 PF61
Passenger Compartment Air Filter Element 15848592 —
Spark Plugs
4.4 L V8 Engine 12592619 41-991
4.6 L V8 Engine 12571535 41-987
Wiper Blade – 19.7 inches (50 cm) 12367281 —
7-13
