Mazda CX-3: Fuel and Engine Exhaust Precautions / Fuel Requirements

Mazda CX-3 (2015-2022) Owner's Manual / Before Driving / Fuel and Emission / Fuel and Engine Exhaust Precautions / Fuel Requirements

Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum.

To achieve maximum engine performance, use the specified fuel.

Mazda CX-3. Fuel Requirements

*1 U.S. federal law requires that octane ratings be posted on gas station pumps.

Fuel with a rating lower than 87 octane (91 RON) will negatively affect the emission control system performance and could also cause engine knocking and serious engine damage.

CAUTION

  • USE ONLY UNLEADED FUEL.

    Leaded fuel is harmful to the catalytic converter and oxygen sensors and will lead to deterioration of the emission control system and or failures.

  • This vehicle can only use oxygenated fuels containing no more than 10 % ethanol by volume. Damage to the vehicle may occur when ethanol exceeds this recommendation, or if the gasoline contains any methanol. Stop using gasohol of any kind if your vehicle engine is performing poorly.
  • Never add fuel system additives other than a Mazda genuine product, otherwise the emission control system could be damaged. Consult an Authorized Mazda Dealer for details.

Gasoline blended with oxygenates such as alcohol or ether compounds are generally referred to as oxygenated fuels. The common gasoline blend that can be used with your vehicle is ethanol blended at no more than 10 %. Gasoline containing alcohol, such as ethanol or methanol, may be marketed under the name "Gasohol".

Vehicle damage and drivability problems resulting from the use of the following may not be covered by the warranty.

  • Gasohol containing more than 10 % ethanol.
  • Gasoline or gasohol containing methanol.
  • Leaded fuel or leaded gasohol.

    Fuel and Engine Exhaust Precautions

    ..

    Emission Control System

    This vehicle is equipped with an emission control system (the catalytic converter is part of this system) that enables the vehicle to comply with existing exhaust emissions requirements...

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    Categories

    Transmitter

    Mazda CX-3. Transmitter

    NOTE

    The headlights turn on/off by operating the transmitter. Refer to Leaving Home Light. (With theft-deterrent system)

    The hazard warning lights flash when the theft-deterrent system is armed or turned off. Refer to Theft-Deterrent System.

    (With the advanced keyless function)

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