octane MITSUBISHI LANCER SPORTBACK 2014 8.G Owners Manual

Fuel selection 3-2 General information
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Your vehicle is designed to use unleaded gas- oline only. It is equipped with a fuel fillertube especially designed to accept only a small diameter unlead
ed gasoline dispensing
nozzle. In the United States, fuel suppliers are required by law to add detergents to their gas-
oline to minimize fuel-injector fouling and minimize intake-valve deposits. Detergent gasoline helps keep your engine in tune and your emission-control system working prop-erly. Your vehicle is designed to operate on unleaded gasoline having a minimum octane number of 87 [(MON+RON)/2], or 91 RON. Your vehicle is designed to operate on pre- mium grade unleaded gasoline having a mini- mum octane rating of 93 [(MON+RON)/2] orhigher for optimum performance. In case pre- mium grade unleaded gasoline 93 [(MON+RON)/2] is not available, unleadedgasoline rating of 91 [(MON+RON)/2] can be used. However, the performance level is reduced.In order to maintain exhaust system durabil- ity, premium unleaded gasoline having an
octane rating of at least 91 [(MON+RON)/2] must be used. If the premium grade unleaded gasoline rat- ing of 91 [(MON+RON)/2] or higher is notavailable on journey, etc., regular unleaded gasoline having an octane rating of 87 [(MON+RON)/2] can be used temporarily asan emergency measure. MON: Motor Octane Number RON: Research Octane Number Gasoline sold at some service stations con- tains oxygenates such as ethanol, although the oxygenates may not be identified by those names. Oxygenates are required in someareas of the country. Such fuel can be used in your vehicle. A mixture of up to 10 % ethanol (grain alco- hol) and 90 % unleaded gasoline may be used in your vehicle, provided the octane numberis at least as high as that recommended for unleaded gasoline.
Fuel selection
WA R N I N G Gasoline is highly flammable and explo- sive. You could be burned, seriouslyinjured or killed when handling it. When- ever you refuel your vehicle, stop the engine and keep flames, sparks, andsmoking materials away from the vehicle. Always handle fuel in well-ventilated out- door areas.CAUTION Using leaded gasoline in your vehicle will damage the engine, catalytic converter, and the oxygen sensors. Also, using leaded gaso-line is illegal, and will void your warranty coverage of the engine, catalytic converter, and oxygen sensors.
Gasoline detergent additives
Octane requirement Except for vehicles equipped with turbocharger Vehicles equipped with turbo- charger
Oxygenated gasoline Ethanol (Gasohol)
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Fuel selection
General information 3-3
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Do not operate your vehicle on gasoline con- taining methanol (wood alcohol). Using thistype of alcohol could adversely affect the vehicle’s performance and damage critical parts of the vehicle’s fuel system. Many areas of the country require the use of cleaner burning fuel referred to as “Reformu- lated Gasoline”.Reformulated gasoline contains oxygenates and is specially blended to reduce vehicle emissions and improve air quality.Mitsubishi Motors Cor
poration strongly sup-
ports the use of reformulated gasoline. Prop- erly blended reformulated gasoline has noadverse effect on vehicle performance or the durability of the engine and fuel system. MMT is a manganese-containing metallic additive that is blended into some gasolinesto increase the octane number. Mitsubishi Motors Corporation recommends using gasolines without MMT.
Use of gasolines blended with MMT may adversely affect performance, and cause the malfunction indicator on your instrument panel to come on. If this happens, contact anauthorized Mitsubishi Motors dealer or a repair facility of your choice for assistance. Your vehicle may have been designed to sat- isfy California’s low-emission regulations based on clean-burning low-sulfur gasoline. Gasoline sold in parts of the country otherthan California is allowed to have a higher sulfur content. Using such gasoline could adversely affect the vehicle’s catalytic con-verter and cause the engine malfunction indi- cator (“SERVICE ENGINE SOON” or “Check engine light”) to come on. Illumina-tion of this indicator while you are using high-sulfur gasoline does not necessarily mean the vehicle’s emis
sion-control system is
malfunctioning. Your authorized Mitsubishi Motors dealer may suggest you try using a different, lower-sulfur brand of unleaded gas-oline to determine whether the problem is fuel-related.
Methanol Reformulated gasoline MMT (methylcyclopentadienyl manganese tricarbonyl)
Sulfur in gasoline
NOTE
 Poor-quality gasoline can cause problems such as poor starting,
stalling during idling,
abnormal engine noise, and poor accelera- tion. If you experience any of these prob- lems, try using a different brand of gasoline.If the engine malfunction indicator (“SER- VICE ENGINE SOON” or “Check engine light”) flashes, have the vehicle inspected assoon as possible by the nearest authorized Mitsubishi Motors dealer or a repair facility of your choice.  Repeatedly driving short distances at low speeds can cause deposits to form in the fuelsystem and engine, resulting in poor starting and poor acceleration. If these problems occur, you are advised to add a detergentadditive to the gasoline when you refuel the vehicle. The additive will remove the depos- its, thereby returning the engine to a normalcondition. Be sure to use a Mitsubishi Motors Genuine cleaning additive. Using an unsuitable additive could make the enginemalfunction. For details, please contact the nearest authorized Mitsubishi Motors dealer.
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