E-85 Usage In Non-Flex Fuel Vehicles
Non-Flex Fuel (FFV) vehicles are compatible with gaso-
line containing 10% ethanol (E10). Gasoline with higher
ethanol content may void the vehicle’s warranty.
If a Non-FFV vehicle is inadvertently fueled with E-85
fuel, the engine will have some or all of these symptoms:
• Operate in a lean mode
• OBD II “Malfunction Indicator Light” on
• Poor engine performance
• Poor cold start and cold driveability
• Increased risk for fuel system component corrosion
To fix a Non-FFV vehicle inadvertently fueled once with
E-85 perform the following:
• Change the engine oil and oil filter
• Disconnect and reconnect the battery
• Drain the fuel tank (see your authorized dealer)
More extensive repairs will be required for prolonged
exposure to E-85 fuel.
MMT In Gasoline
Methylcyclopentadienyl Manganese Tricarbonyl (MMT)
is a manganese-containing metallic additive that is
blended into some gasoline to increase octane. Gasoline
blended with MMT provides no performance advantage
beyond gasoline of the same octane number without
MMT. Gasoline blended with MMT reduces spark plug
life and reduces emissions system performance in some
494 STARTING AND OPERATING
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