Case CX490D - Page 288

7-TROUBLESHOOTING
Problem
PossibleCauseCorrection
Excessiveconsumption
offuel
WrongfuelReplacewiththecorrectfuel
Poorsuction
Cleanorreplacetheelement
DefectinfuelinjectionpumpConsulttheCASECONSTRUCTION
dealer
PoorinjectionoffuelinjectionnozzleConsulttheCASECONSTRUCTION
dealer
IncorrectfuelinjectiontimingConsulttheCASECONSTRUCTION
dealer
Lowcompression
ConsulttheCASECONSTRUCTION
dealer
Excessiveconsumption
ofengineoil
ExcessoilDraintheoildowntothecorrectlevel
Lowoilviscosity
Replacewiththeoilofsuitableviscosityfor
temperature
Oilleaks
Retightenand,asnecessary,replace
Wearoncylinderpistonring
ConsulttheCASECONSTRUCTION
dealer
Abnormalnoise(fromfuel
ormechanicalsystem)
Low-qualityfuel
Replace
Damageinsidemufer
Replace
Engineoverheat(Toohigh
coolanttemperature)
LowcoolantlevelAdd
Coolantleaks
Repair
WearordamageonbeltReplace
Wrongmixingratioofanti-freeze
Replace
Problemswithradiator
ConsulttheCASECONSTRUCTION
dealer
DamagedfanConsulttheCASECONSTRUCTION
dealer
Problemswiththermostat
ConsulttheCASECONSTRUCTION
dealer
Problemswithwaterpump
ConsulttheCASECONSTRUCTION
dealer
Problemswithcoolanttemperaturegauge
ConsulttheCASECONSTRUCTION
dealer
Problemswithbattery
charge
IncorrectbelttensionAdjust
ProblemswithelectricwiresRepair
ProblemswithbatteryReplace
Problemswithregulator
ConsulttheCASECONSTRUCTION
dealer
DefectinalternatorConsulttheCASECONSTRUCTION
dealer
7-2