owners manual Honda Civic

owners manual Honda Civic - year of production: 1987, 1988, 1989, 1990, 1991 - Honda Civic IV 4 Hatchback Sedan owners manual EN

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text version of content this owner's manual page from owners manual to the vehicle Honda Civic, year of production 1987 - 1991:

Main Menu ▲ ▼ Gasoline For proper operation of your car's emission controls, your engine is designed to use unleaded fuel only. CAUTION: Using leaded or even lowlead gasoline could damage some of your emission controls, and also void their coverage under the emission controls warranty. Use gasoline from pumps labeled unleaded, with a pump octane number of 86 or higher. The pump octane number is an average of the Research (R) octane and Motor (M) octane numbers. Use of a lower octane gasoline can cause persistent, heavy "SPARK KNOCK" (a metallic rapping noise), which can lead to engine damage if severe. CAUTION: If you notice steady spark knock while holding a steady speed on a level road, try changing brands of gasoline. If the spark knock persists, consult your Honda dealer. Failure to do so is considered misuse, and misuse is not covered under the New Car Warranty. Occasionally you may notice light spark knock while accelerating or driving up hills. This is no cause for concern, it simply means your engine is running at its most economical. Gasoline Containing Alcohol If you decide to use a gasoline containing alcohol ("gasohol"), be sure its octane rating is at least as high as that recommended for unleaded gasoline. There are two types of "gasohol": that containing ethanol, and that containing methanol. Do not use gasohol that contains more than 10% ethanol. Do not use gasoline containing methanol (methyl or wood alcohol) that does not also contain cosolvents and corrosion inhibitors for methanol. Never use gasoline containing more than 5% methanol, even if it has cosolvents and corrosion inhibitors. NOTE: Fuel system damage or vehicle performance problems resulting from the use of such fuels is not covered under the new car warranties. Honda cannot endorse the use of fuels containing methanol since evidence of their suitability is as yet incomplete. Before purchasing fuel from an unfamiliar station, try to confirm whether the fuel contains alcohol, of what kind, and how much. If you notice any undesirable operating symptoms after using a gasoline that contains alcohol; or one that you think contains alcohol, switch to an unleaded gasoline, as recommended above.

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year of production from: 1987

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