DPF Cleaning

But shouldn't the needle move to auto regen if its doing it on it's own? Mines literally never moved off clean. Always high idle when im sitting also

 

The "DPF Status" gauge is the reading from the gas pressure sensor on the motor side of the DPF. The same information can be obtained using the (rip-off priced) Cummins diagnostic software. The diagnostic software also reveals what happens when the exhaust temperature is low (idling in winter and driving empty in winter) - the DPF filter clogs up. Sometimes a (regen) burn-off will unclog it but if it's cold enough, particulate will accumulate to the point where a burn-off removes less particulate than what is accumulating and the filter will have to be removed to the Easy Bake Filter Oven to make it fresh again.

 

I don't entirely trust the gauges thats for sure. says I'm getting 87mpg right now haha it's on a 2014 t800. My 2013 had it too

 

Our 13 389 and 14 W9 have the same cluster that he has.

 

My dpf was $800.00 to clean that also included replacement of def fluid filter, sensor cleanings and 7th injector r&r and egr cooler removal and cleaned (clean the carbon out to prevent hot spots and premature failure). This was on a paccar engine. I have the full gauge package and my dpf filter showed needing cleaned at 240k with 3% idle time as i have an apu. Trk now has 400k and according to read out last week from ecm i had run engine has never done a parked regen only rolling regens and only 15 of them. Idling is very hard on the dpf filter

 

Can't cummins just check restriction rawze used to have a post that mentioned what the maximum should be it was measured in hpa or something I think he has his own site now rawze.com might find articles there on dpf restriction limits