Black plate (158,1)
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.
Fuel with a lower rating could cause the emission control system to lose effectiveness. It
could also cause engine knocking and serious engine damage.
Your Mazda will perform best with fuel listed in the table.
Fuel Octane Rating
*
(Anti-knock index)
Regular unleaded fuel 87 [ (R+M)/2 method] or above (91 RON or above)
* U.S. federal law requires that octane ratings be posted on gasoline station pumps.
Fuel with a rating lower than 87 octane (91 RON) could cause the emission control system
to lose effectiveness. It could also cause engine knocking and serious engine damage.
CAUTION
Ø 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 fai lures.
Ø Your vehicle can only use oxygenated fuels containing no more than 10 % ethanol
by volume. Damage to your vehicle may occur when ethanol exceeds this
recommenda tion, or if the gasoline contains any metha nol. Stop using gasohol of
any kind if your vehicle engine is performing poorly.
Ø Never add fuel system additives. 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 o r methanol, may be marketed under the name “Gasohol”.
Vehicle damage and d rivability problems resul ting from the use of the following may not
be covered by the Mazda warranty.
l
Gasohol containing more than 10% ethanol.
l
Gasoline or gasohol containing methanol.
l
Leaded fuel or leaded gasohol.
4-2
Before Driving Your Mazda
Fuel and Engine Exhaust Precautions
CX-9_8DU1-EA-14H_Edition1 Page158
Thursday, June 5 2014 4:17 PM
Form No.8DU1-EA-14H
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