2015 Jeep Compass Owner Manual - Page 405

STARTING AND OPERATING 403 Over 40 auto manufacturers worldwide have issued and endorsed consistent gasoline specifications (the World2.0L And 2.4L Engine wide Fuel Charter, WWFC) which define fuel properties necessary to deliver enhanced emissions, performance, This engine is designed to meet all emis- and durability for your vehicle. The manufacturer recomsions regulations and provide excellent mends the use of gasolines that meet the WWFC specifuel economy and performance when us- fications if they are available. ing high-quality unleaded "regular" gasoReformulated Gasoline line having an octane rating of 87. The use of premium gasoline will not provide any benefit over Many areas of the country require the use of cleaner burning gasoline referred to as "Reformulated Gasoline." regular gasoline in these engines. Reformulated gasoline contain oxygenates and are speLight spark knock at low engine speeds is not harmful to cifically blended to reduce vehicle emissions and imyour engine. However, continued heavy spark knock at prove air quality. high speeds can cause damage and immediate service is required. Poor quality gasoline can cause problems such The manufacturer supports the use of reformulated gasoas hard starting, stalling, and hesitations. If you experi- line. Properly blended reformulated gasoline will proence these symptoms, try another brand of gasoline vide excellent performance and durability of engine and fuel system components. before considering service for the vehicle. FUEL REQUIREMENTS 5