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Fuel requirements, 6l and 5.7l engine (with automatic transmission), 6l and 5.7l engine (with automatic – Dodge 2011 Challenger User Manual

Page 323: Transmission)

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The TPM sensors are regulated under one of the follow-
ing licenses:

United States . . . . . . . . . . . . . . . . . . . MRXC4W4MA4
Canada . . . . . . . . . . . . . . . . . . . . . 2546A-C4W4MA4

FUEL REQUIREMENTS

3.6L and 5.7L Engine (with Automatic
Transmission)

The 3.6L and 5.7L engine (with automatic
transmission) is designed to meet all emis-
sions regulations and provide satisfactory
fuel economy and performance when us-
ing high-quality unleaded gasoline having
an octane range of 87 to 89. The manufac-

turer recommends the use of 89 octane for optimum
performance. The use of premium gasoline is not recom-
mended, as it will not provide any benefit over regular
gasoline in these engines.

Light spark knock at low engine speeds is not harmful to
your engine. However, continued heavy spark knock at
high speeds can cause damage and immediate service is
required. Poor quality gasoline can cause problems such
as hard starting, stalling, and hesitations. If you experi-
ence these symptoms, try another brand of gasoline
before considering service for the vehicle.

Over 40 auto manufacturers worldwide have issued and
endorsed consistent gasoline specifications (the World
Wide Fuel Charter, WWFC) which define fuel properties
necessary to deliver enhanced emissions, performance,
and durability for your vehicle. The manufacturer recom-
mends the use of gasolines that meet the WWFC speci-
fications, if they are available.

5

STARTING AND OPERATING

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