Navistar MaxxForce 9

DIAGNOSTICMANUAL
16.1.4.DieselParticulateFilter(DPF)-Melted
Figure49DieselParticulateFilter(DPF)-Melted.
Appearance
MeltedordeformedDPFcells.
Cause
Excessiveexhaustgastemperatures.
Action
Determinethecauseofexcessiveexhaustgastemperatures.Refertotheappropriate
EngineDiagnosticManualfordiagnosticprocedures.Oncethecauseoftheexcessive
exhaustgastemperaturehasbeenrepaired,replacetheDPF .
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