问题1：这个应该是overheating，对不对？
问题2：网上查，说可能原因很多。行家们认为那些属于常见原因?
Awhitecoloredplugiscausedbyengineoverheating.Failuretorepairthisenginewillresultinsevereenginedamage.Commoncausesforthisare:
Incorrectsparkplug(toohotheatrange).
Lowoctanefuel.
Timingisnotsetproperly.
Coolingproblems,(dirtycylinderfins,noorlowwaterifwatercooled,l...[
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非专业操作，严禁模仿，违者不究！Doitatyourownrisk！！
2002偷油烤肉(toyotacorolla)，codeP0420富码。开始想声东击西，搞了个engineflush。无效。所以老老实实查资料，检查火花塞，分析诊断。
上次咨询biglow班长，确认火花塞过热损耗。网上查，说engineoil漏，或intake负压漏，都是可能原因之一。我这10年老车，这两套垫圈老化渗漏的可能性很高，所以决定先解决这两项问题，[
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Howyoucanreadsparkplugsandselectthem-byGordonJenningsStaywithmotorcyclinglongenoughtoswatafewgnatswithyournoseandyouwillatleastbegintorealizehowmuchthereistoknowaboutsparkplugs.Bikersliketotinker,andwillreplacesparkplugseveniftheydon'tventureanythingelse.Andinjustreplacingplugsthemotorcyclistbecomesacquaintedwiththefactthatthereismorethanmeetstheeye.Thefirstthingyouhavetolearnisthattherearesomeimp...[
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HotSparkPlugsvs.ColdSparkPlugsNotallsparkplugsarecreatedequal.Somesparkplugsaremadetoburnhotterthanothers.Makingsurethatyouinstalltherightsparkplugscanmakeacriticaldifferenceinthewayyourengineperforms.Usingsparkplugsthatburntoohotforyourparticularenginecanresultinpre-detonationandcauseyourenginetooverheat.Butifyoursparkplugsburntoocold,yourenginemayperformsluggishlyandyoucanendupwithcarbonfoulingr...[
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AShockingExpose:YourCar'sBatteryPublished:12/17/2000Updated:06/18/2009-byScottMemmer,Contributorwww.edmunds.com
Automotivebatteriescomeinmanyshapesandsizes,buttheiroperatingprinciplesareremarkablysimilar.InthisTechCenterinstallment,we'lllookatthebasicautomotivebattery.Thenwe'llclosebydiscussingwaystomaintainyourbatterytoensurealonglife.Themodernautomotivebatteryisalead-acidstoragedesign.Inshor...[
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HowtoTroubleshootaCarThatWon'tStart
Readmore:HowtoTroubleshootaCarThatWon'tStart|eHow.comhttp://www.ehow.com/video_112584_troubleshoot-car-wont.html#ixzz1RGNyCvYw
Enginewon'tcrank1Generallycausedbyeitheradeadbatteryorabadstarter,althoughyoushouldchecksteps1through5tomakesureit'snotanoperatorerror.2Ifcarisautomatic,checkthattransmissionisinparkandyourfootisonbrake.3Ifcarisstickshift,checkth...[
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CarBatteryTrickleChargervsFloatCharger
Acarbatterytricklechargerisadevicethatderivesenergyfromasourceandtransmitsittoasecondaryrechargeablebatterytoenergizeit.Atricklechargerisasimplechargerthatchargesthebatteryslowly.Boththetricklechargerandthefloatchargerare12vbatterychargersthatchargethebatteryatthesameratethatitself-discharges.AdvantagesofaTrickleCharger:1.ContinuousChargingoftheBatterySin...[
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