2014 Dodge Durango Owner Manual - Page 486
2014 Dodge Durango Manual
Page 486 highlights
484 STARTING AND OPERATING an octane range of 87 to 89. The manufacturer recommends the use of 89 octane for optimum performance. 3.6L Engine - If Equipped The use of premium gasoline is not recommended, as it will not provide any benefit over regular gasoline in This engine is designed to meet all emis- these engines. sions regulations and provide excellent Light spark knock at low engine speeds is not harmful to fuel economy and performance when usyour engine. However, continued heavy spark knock at ing high-quality unleaded "regular" gasohigh speeds can cause damage and immediate service is line having an octane rating of 87. The use required. Poor quality gasoline can cause problems such of premium gasoline is not recommended, as it will not as hard starting, stalling, and hesitations. If you experiprovide any benefit over regular gasoline in these ence these symptoms, try another brand of gasoline engines. before considering service for the vehicle. 5.7L Engine - If Equipped Over 40 auto manufacturers worldwide have issued and FUEL REQUIREMENTS This engine is designed to meet all emissions regulations and provide satisfactory fuel economy and performance when using high-quality unleaded gasoline having endorsed consistent gasoline specifications (the Worldwide Fuel Charter, WWFC) which define fuel properties necessary to deliver enhanced emissions, performance, and durability for your vehicle. The manufacturer recommends the use of gasolines that meet the WWFC specifications if they are available.
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