Why does my DPF keep blocking? Failed Cleaning & Regeneration Fix

why did others fail to successfully clean this dpf?
After cleaning it would go back in limp mode within a few days.

3 failed forced regenerations.

simple knowledge of dpf can prevent further repeat blockages and permanently fix the underlying cause

• #autos_vehicles
• #dpf_cleaning
• #dpf_diagnostic
• #blocked_dpf
• #diesel_particulate_filter
• #diesel
• #auto_repair