Navistar MaxxForce DT Diagnostic Manual page 94

DIAGNOSTIC MANUAL
Step
13 Verify root cause of frequent regens has been diagnosed and
repaired.
Has root cause for frequent regens been diagnosed and
repaired?
90
Action
https://www.truck-manuals.net/
Decision
Yes: Diagnostics complete
No: Go back to step 1 of Engine and
Aftertreatment System Operational
Checks page 80 to verify engine
systems are in satisfactory condition.