2013 Jeep Wrangler Owner's Manual - Page 510

508 STARTING AND OPERATING E-85 Usage In Non-Flex Fuel Vehicles • change the engine oil and oil filter Non-FFV vehicles are compatible with gasoline contain- • disconnect and reconnect the battery to reset the ing 10% ethanol (E10). Gasoline with higher ethanol engine controller memory content may void the vehicle's warranty. More extensive repairs will be required for prolonged If a Non-FFV vehicle is inadvertently fueled with E-85 exposure to E-85 fuel. fuel, the engine will have some or all of these symptoms: MMT In Gasoline • operate in a lean mode MMT is a manganese-containing metallic additive that is blended into some gasoline to increase octane. Gasoline • OBD II "Malfunction Indicator Light" on blended with MMT provides no performance advantage • poor engine performance beyond gasoline of the same octane number without MMT. Gasoline blended with MMT reduces spark plug • poor cold start and cold drivability life and reduces emissions system performance in some • increased risk for fuel system component corrosion vehicles. The manufacturer recommends that gasoline To fix a Non-FFV vehicle inadvertently fueled once with without MMT be used in your vehicle. The MMT content E-85 perform the following: of gasoline may not be indicated on the gasoline pump, therefore, you should ask your gasoline retailer whether • drain the fuel tank (see your authorized dealer) the gasoline contains MMT. It is even more important to look for gasoline without MMT in Canada, because MMT