2010 Mazda CX 7 Owners Manual

CX-7_8AS7-EA-09E_Edition2Page144
Friday,June520092:25PM
Blackplate(144,1)
BeforeDrivingYourMazda
FuelandEngineExhaustPrecautions
FuelRequirements
VehicleswithcatalyticconvertersoroxygensensorsmustuseONLYUNLEADEDFUEL,
whichwillreduceexhaustemissionsandkeepsparkplugfoulingtoaminimum.
YourMazdawillperformbestwithfuellistedinthetable.
2.3-liter
engine
Fuel
OctaneRating*(Anti-knockindex)
Premiumunleadedfuel
91[(R   M)/2method](96RON)recommended
*
U.S.federallawrequiresthatoctaneratingsbepostedongasolinestationpumps.
Thisvehicleisdesignedtouse91[(R     M)/2method](96RON)orhighergasolinefor
bestperformance.If91[(R    M)/2method](96RON)isnotavailable,87[(R
method](91RON)gasolinecanbeused.Useofgasolinelowerthan91[(R
M)/2
M)/2
method](96RON)candecreaseperformance,deteriorateshiftqualityandcauseengine
knockingduringitsuse.
2.5-liter
engine
Fuel
OctaneRating*(Anti-knockindex)
Regularunleadedfuel
87[(R   M)/2method]orabove(91RONorabove)
*
U.S.federallawrequiresthatoctaneratingsbepostedongasolinestationpumps.
Fuelwitharatinglowerthan87octane(91RON)couldcausetheemissioncontrolsystem
toloseeffectiveness.Itcouldalsocauseengineknockingandseriousenginedamage.
CAUTION
ØUSEONLYUNLEADEDFUEL.
Leadedfuelisharmfultothecatalyticconverterandoxygensensorsandwilllead
todeteriorationoftheemissioncontrolsystemandorfailures.
ØYourvehiclecanonlyuseoxygenatedfuelscontainingnomorethan10%ethanol
byvolume.Damagetoyourvehiclemayoccurwhenethanolexceedsthis
recommendation,orifthegasolinecontainsanymethanol.Stopusinggasoholof
anykindifyourvehicleengineisperformingpoorly.
ØNeveraddfuelsystemadditives.Neveraddcleaningagentsotherthanthose
specifiedbyMazda.Othercleaningagentsandadditivesmaydamagethesystem.
ConsultanAuthorizedMazdaDealer.
Gasolineblendedwithoxygenatessuchasalcoholorethercompoundsaregenerally
referredtoasoxygenatedfuels.Thecommongasolineblendthatcanbeusedwithyour
vehicleisethanolblendedatnomorethan10%.Gasolinecontainingalcohol,suchas
ethanolormethanol,maybemarketedunderthename“Gasohol”.
4-2
FormNo.8AS7-EA-09E
Product Specification
CategoriesMazda CX-7 Manuals, Mazda Manuals
Model Year2010
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