HONDA 1983 Civic Sedan (with Navigation) - Technology Reference Guide - Manual (Page 17)

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FUEL RECOMMENDATION
• Only use unleaded gasoline of 87 octane or higher. For Civic Si models, unleaded
gasoline of 91 octane or higher is required. For Civic Natural Gas models,
compressed natural gas (CNG) is required.
• Some gasoline in North America contains MMT, a manganese-based fuel additive.
Prolonged and consistent use of gasoline containing MMT can deteriorate your
vehicle’s performance, fuel economy, and the emission control system. Always use
MMT-free gasoline if available. Failures caused by use of gasoline containing MMT
may not be covered under warranty.
• “TOP TIER Detergent Gasoline” meets a new gasoline standard jointly established
by leading automotive manufacturers to meet the needs of today’s advanced
engines. In most cases, qualifying gasoline retailers will identify their gasoline as
having met “TOP TIER Detergent Gasoline” standards at the retail location. This
fuel is guaranteed to contain the proper level of detergent additives and be free of
metallic additives. This helps avoid build-up of deposits in your engine and
emission control system. Because the level of detergency and harmful metallic
additives (such as MMT) in gasoline vary in the market, Honda endorses the use
of “TOP TIER Detergent Gasoline” where available to help maintain the
performance and reliability of your vehicle. For more information, visit
www.toptiergas.com.
• For further important information on fuel and lubricants for your car and
information on gasoline that does not contain MMT, contact your dealer or visit
Owner Link at owners.honda.com.
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