Freightliner DPF diagnostics and derate repair
Freightliner Cascadia DPF Clog and Derate Repair
Freightliner Cascadia DPF clog and derate repair in Conway, SC. The blockage was corrected, the derate cleared, and normal operation restored.
A Freightliner Cascadia with a Cummins engine arrived at our Conway shop in derate mode with reduced power. Diagnostics confirmed a clogged DPF as the cause. The approved repair was completed, the derate was cleared, and the truck returned to normal operation.
Reported Symptoms
Derate mode with reduced engine power.
Diagnostic Findings
Diagnostics confirmed a clogged diesel particulate filter (DPF).
Confirmed Root Cause
DPF blockage.
Work Performed
The approved DPF repair was completed and the aftertreatment system was checked for normal operation.
Final Result
The derate was cleared, normal engine operation was restored, and the truck returned to service.
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