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https://www.youtube.com/watch?v=oI7TVvG99mE&ab_channel=GarageNoise [阅读全文]
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(2023-04-06 17:10:00)
https://www.youtube.com/watch?v=vCe4oM8EPoo&ab_channel=Wheelsboy [阅读全文]
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(2023-04-06 17:07:37)
https://www.youtube.com/watch?v=vCe4oM8EPoo&ab_channel=Wheelsboy [阅读全文]
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Ethanolbooststheoctanenumberoffuel,whichhelpspreventpre-ignitionknock.Incidentally,theoctaneratingsystemforfuelswasoriginallydevelopedbyPennStatechemistRussellMarkerinthe1920s.Theoctanerating(Anti-KnockIndex,AKI)ofnormalunleadedgasolineintheUnitedStatesis87.Theoctaneratingofpureethanolis100.What'sinterestingisthatwhenethanolisblendedwithgasoline,itperformsasifitsoctaneratingis112,makingethanol...[阅读全文]
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E10andE15 E10andE15areblendsofethanolandgasoline.Thenumberafterthe"E"indicatesthepercentageofethanolbyvolume. MostofthegasolinesoldintheU.S.containsupto10%ethanol—theamountvariesbyregion.AllautomakersapproveblendsuptoE10intheirgasolinevehicles. Asof2011,EPAbeganallowingtheuseofE15inmodelyear2001andnewergasolinevehicles.2PumpsdispensingE15mustbelabeled(seeexample).Avehi...[阅读全文]
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比如下面的问题 TheP0158errorcodeona2005ToyotaHighlanderindicatesthatthereisaproblemwiththeoxygensensorcircuitforbank2sensor2.Thissensorislocatedafterthecatalyticconverteronthebankofcylindersthatcontainscylinders2,4,and6. ThemostcommoncausesofaP0158errorcodeinclude: Faultyoxygensensor:Theoxygensensoritselfmaybefaulty,oritmayhavebecomecontaminatedwithoilorothersubstances. Wiri...[阅读全文]
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