DPF "melted" inside
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by subseaguru, Nov 17, 2017.
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Op I would be checking the doser and make sure it's not leaking/dripping when Regen is not needed or maybe it's dosing too much fuel when regening. This extra fuel could cause a meltdown.
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meltdown also happens after overnight idling. I don't know about Cummins but Detroit has Autoelevate feature in ecu to avoid dpf meltdowns after long idling .
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