2010 Jeep Grand Cherokee Owner Manual SRT8 - Page 285

284 STARTING AND OPERATING E85 Usage In Non-Flex Fuel Vehicles • disconnect and reconnect the battery to reset the Non-FFV vehicles are compatible with gasoline containengine controller memory ing 10% ethanol (E10). Gasoline with higher ethanol More extensive repairs will be required for prolonged content may void the vehicle's warranty. exposure to E85 fuel. If a Non-FFV vehicle is inadvertently fueled with E85 MMT In Gasoline fuel, the engine will have some or all of these symptoms: MMT is a manganese-containing metallic additive that is blended into some gasoline to increase octane. Gasoline • operate in a lean mode blended with MMT provides no performance advantage • OBD II "Malfunction Indicator Light" on beyond gasoline of the same octane number without • poor engine performance MMT. Gasoline blended with MMT reduces spark plug life and reduces emissions system performance in some • poor cold start and cold driveability vehicles. The manufacturer recommends that gasoline • increased risk for fuel system component corrosion without MMT be used in your vehicle. The MMT content of gasoline may not be indicated on the gasoline pump, To fix a Non-FFV vehicle inadvertently fueled once with therefore, you should ask your gasoline retailer whether E85 perform the following: the gasoline contains MMT. It is even more important to • drain the fuel tank (see your authorized dealer) look for gasoline without MMT in Canada, because MMT • change the engine oil and oil filter