![](http://i56.tinypic.com/105sd1s.jpg)
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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![](http://i53.tinypic.com/2qchxcp.jpg)
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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![](plug_plain_16.gif)
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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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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Acarbatterytricklechargerisadevicethatderivesenergyfromasourceandtransmitsittoasecondaryrechargeablebatterytoenergizeit.Atricklechargerisasimplechargerthatchargesthebatteryslowly.Boththetricklechargerandthefloatchargerare12vbatterychargersthatchargethebatteryatthesameratethatitself-discharges.AdvantagesofaTrickleCharger:1.ContinuousChargingoftheBatterySin...[
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