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1、QinghaitransportationtechnicalcollegeThecarengineeringdepartmentisintheclassof2013GraduationthesisThefaultandexclusionoftheignitionsystemoftheelectriccontrolengineSurname:Tutor:Specializedbusiness:Class:June1,2012OrderstorecordAbstract:-2一Keywords-2-Preface-2-Chapterone・Theroleofig
2、nitionsystemandtheformationof-2-1.1action一2一1.2_2-1.3ignitionsystemstructureandworkingprinciple-4-Chapter2.Phenomenaofcommonfailureofignitionsystemsandcauses一4一Theenginefailstostarttheenginefailureandcause-42.2enginefailureandcause-5-2.3enginepowerdrop,oilconsumptionincrease,accele
3、rationproblemandcause-5Failureofignitiontimingandcause-52.5individualcylindernotignitionfailurephenomenonandcause-5Chapter3.CommonfaultdiagnosisandexclusionofignitionsystemTheenginefailstostartthediagnosisandeliminate-5Enginerunningunstablediagnosisandexclusion-6-Theenginepowerdecr
4、eases,theoilconsumptionincreases,thepoordiagnosisandtheexclusionof-63.4individualcylindernotignitiondiagnosisandexclusive-633.5ignitiontimeimproperdiagnosisandexclusion-7-Chapter4.Dailymaintenanceofignitionsystems-1-Themaincontent-7-TheinspectionandadjustmentofignitiontimingOverhau
5、landmaintain-8一Serviceof4.4igniter-8-Knottheory-3-Referenceliterature一3-Thankyou-3-Abstract:inthispaper,themaincontentoftheisacommonfaultanalysisanddiagnosisoftheengineignitionsystem,commonfaultsofengineworkcarriedonthethoroughanalysis・Theenginecannotstart,theengineisnotrunningsmoo
6、thlyandtheenginepowerisdown,theoilconsumptionisincreased,theaccelerationisbad,theignitiontimeisimproper,theindividualcylinderdoesnotfire・Therearesomecommonfailures・Atthesametime,thecausesofthesefailuresandhowtodiagnosethemareanalyzedcomprehensively.Forthis,theengineisinuseprocesswe
7、shouldgivespecialattentiontothevariousaspectsofcarperformanceandrustling,shouldoftenmainlenanceinspection,tobeasafe,comfortable,restassuredoftherider・Keywords:engine,ignitionsystem,analysis,diagnosisAbstract:themaincontentofthispaperistheengineignitionsystemcommonfaultdiagnosisanda
8、nalysis,totheengineworkint
