Navistar MaxxForce 10 Diagnostic Manual

DIAGNOSTICMANUAL
Step
ActionDecision
10B
CheckforInjectionControlPressure(ICP)systemissue.Using
ESTwithServiceMaxx™software,usetheplaybackfeatureand
graphthefollowingsignalvaluesfrom0to60MPHT est:
SignalValues:
•ICPdesired
•ICP
•InjectionPressureRegulator(IPR)valvecontrol%
ComparesnapshottoGraph3andassociatedGraphAnalysis
page54.
IsICPsystemoperatingasperGraph3GraphAnalysis?
Yes:Gotostep10C
No:Diagnoseandrepair
ICPsystemissue(See
HardStartandNoStart
Diagnosticssectionin
EngineDiagnosticManual).
Afterrepairsarecomplete,
retestfororiginalproblem.
Step
ActionDecision
10CCheckforAirManagementSystem(AMS)issue.UsingESTwith
ServiceMaxx™software,usetheplaybackfeatureandgraphthe
followingsignalvaluesfrom0to60MPHT est:
SignalValues:
•EngineSpeed
•EngineLoad
•IntakeManifoldPressure(IMP)
•ExhaustBackPressure(EBP)
•AcceleratorPedalPosition1(APP1)
ComparesnapshottoGraph4andassociatedGraphAnalysis
page55.
IsAMSoperatingasperGraph4GraphAnalysis?
Yes:Gotostep11
No:Diagnoseand
repairAMSissue(See
PerformanceDiagnostics
sectioninEngine
DiagnosticManual).After
repairsarecomplete,retest
fororiginalproblem.
22
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Navistar MaxxForce 10 Specifications

General

Brand	Navistar
Model	MaxxForce 10
Category	Engine
Language	English