DIAGNOSTICMANUAL
16.1.7.DieselParticulateFilter(DPF)-ExcessiveBrickShift
1.DieselParticulateFilterOutlet
Temperature(DPFOT)sensor
Figure52DieselParticulateFilter(DPF)-ExcessiveBrickShift.
Appearance
TheDPFbrickhasshiftedpasttheDPFOTsensorcausingdamagetotheDPF
substrate.
Cause
Excessivesootaccumulationcausedbyabaseengineconcernresultinginhigherthan
normalexhaustbackpressure.
Action
Determineandrepairtherootcauseoftheexcessiveexhaustbackpressure.Oncethe
rootcauseisrepaired,replacetheDPF.
166
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