Navistar MaxxForce 10

DIAGNOSTICMANUAL
Step
ActionDecision
2B
CheckforInjectionControlPressure(ICP)systemissue.UsingESTwith
ServiceMaxx™software,usetheplaybackfeatureandgraphthefollowing
signalvaluesfrom0to60MPHT est:
SignalValues:
•ICPdesired
•ICP
•InjectionPressureRegulator(IPR)valvecontrol%
ComparesnapshottoGraph3andassociatedGraphAnalysispage54.
IsICPsystemoperatingasperGraph3GraphAnalysis?
Yes:Gotostep
2C
No:Diagnose
andrepairICP
systemissue(See
HardStartandNo
StartDiagnostics
sectioninEngine
Diagnostic
Manual).After
repairsare
complete,retest
fororiginal
problem.
10
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