Chevrolet 2011 Malibu Automobile User Manual


 
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Chevrolet Malibu Owner Manual - 2011
Driving and Operating 9-35
Fuel
Use of the recommended fuel
is an important part of the proper
maintenance of this vehicle. To help
keep the engine clean and maintain
optimum vehicle performance, we
recommend the use of gasoline
advertised as TOP TIER Detergent
Gasoline.
Look for the TOP TIER label on the
fuel pump to ensure gasoline meets
enhanced detergency standards
developed by auto companies. A list
of marketers providing TOP TIER
Detergent Gasoline can be found at
www.toptiergas.com.
The eighth digit of the Vehicle
Identification Number (VIN) shows
the code letter or number that
identifies the vehicle's engine. The
VIN is at the top left of the
instrument panel. See Vehicle
Identification Number (VIN) on
page 121.
Vehicles that have a FlexFuel badge
and a yellow fuel cap can use either
unleaded gasoline or ethanol fuel
containing up to 85% ethanol (E85).
See Fuel E85 (85% Ethanol) on
page 937. For all other vehicles,
use only the unleaded gasoline
described under Recommended
Fuel on page 935.
Recommended Fuel
If the vehicle has the 2.4L L4 engine
(VIN Code 1) or the 2.4L L4 engine
(VIN Code U), use regular unleaded
gasoline with a posted octane rating
of 87 or higher. If the octane rating
is less than 87, an audible knocking
noise, commonly referred to as
spark knock, might be heard when
driving. If this occurs, use a
gasoline rated at 87 octane or
higher as soon as possible. If heavy
knocking is heard when using
gasoline rated at 87 octane or
higher, the engine needs service.
If the vehicle has the 3.6L V6 engine
(VIN Code 7), use regular unleaded
gasoline with a posted octane
rating of 87 or higher. For best
performance or trailer towing, you
could choose to use middle grade
89 octane unleaded gasoline. If the
octane rating is less than 87, an