HD431 Truck Scanner DPF Regen. Why Choose Heavy Duty Truck Scanner Ancel HD431 Diagnostic Tool ?. 1pc x HD431. DPF Forced Regeneration : for Paccar, Ditroit ;. 【Work for PACCAR, DITROIT Trucks】. DPF Regeneration is used to clear PM (Particulate Matter) from the DPF filter through continuous combustion oxidation mode (such us high temperature heating conbustion, fuel additive or catalyst reduce PM ignition conbustion) to stabilize the filter perfornance.
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