Nissan Altima: NISSAN dealer. - Fuel recommendation - Capacities and recommended fuel/lubricants - Technical and consumer information - Nissan Altima Owners ManualNissan Altima: NISSAN dealer.

However, now and then you may notice light spark knock for a short time while accelerating or driving up hills. This is not a cause for concern, because you get the greatest fuel benefit when there is light spark knock for a short time under heavy engine load.

CAUTION

● Your vehicle is not designed to run on E-85 fuel. Using E-85 fuel in a vehicle not specifically designed for E-85 fuel can damage fuel system components and is not covered by the NISSAN new vehicle limited warranty.

● E-85 is a mixture of approximately 85% fuel ethanol and 15% unleaded gasoline.

● U.S. government regulations require ethanol dispensing pumps to be identified by a small, square, orange and black label with the common abbreviation or the appropriate percentage for that region.

    Octane rating tips
    Using unleaded gasoline with an octane rating lower than recommended can cause persistent, heavy “spark knock.” (“Spark knock” is a metallic rapping noise.) If severe, this can lead to eng ...

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