TECHNICAL SPECIFICATIONS 503
FUEL REQUIREMENTS
3.6L Engine
This engine is designed to meet all emissions regulations and
provide excellent fuel economy and performance when
using high-quality unleaded “Regular” gasoline having an
octane rating of 87 as specified by the (R+M)/2
method. The
use
of higher octane “Premium” gasoline will not provide
any benefit over “Regular” gasoline in these engines.
While operating on gasoline with an octane number of 87,
hear
ing a light knocking sound from the engine is not a cause
for concern. However, if the engine is heard making a heavy
knocking sound, see your dealer immediately. Use of gaso
-
line with an octane number lower than 87 can cause engine
f
ail
ure and may void or not be covered by the New Vehicle
Limited Warranty.
Poor quality gasoline can cause problems such as hard
star
ting, stalling, and hesitations. If you experience these
symptoms, try another brand of gasoline before considering
service for the vehicle.
Reformulated Gasoline
Many areas of the country require the use of cleaner burning
gasoline referred to as “Reformulated Gasoline”. Reformu-
lated gasoline contains oxygenates and are specifically
b
len
ded to reduce vehicle emissions and improve air quality.
The use of reformulated gasoline is recommended. Properly
blen
ded reformulated gasoline will provide improved
performance and durability of engine and fuel system
components.
Materials Added To Fuel
Besides using unleaded gasoline with the proper octane
rating, gasolines that contain detergents, corrosion and
stability additives are recommended. Using gasolines that
have these additives will help improve fuel economy, reduce
emissions, and maintain vehicle performance.
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