Regen question
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Regen question
I have a 2017 XL CCSB 6.7 with 14500 miles on the odo and at 3000 miles I activated the Exhaust Filter gauge using Forescan. My typical driving is in the mountains of WNC with regens occurring every 250 to 300 miles.
Over Thanksgiving we traveled to Penn. and the regens extended to 450 - 500 miles, all of which seems quite normal. After the last regeneration, it took 130 miles for the Exhaust Filter gauge to start showing registering any soot build up and once the truck hit 500 miles, it started a regen.
I always track the mileage between regens and so far I have driven 225 miles and the Exhaust Filter is not showing any soot build up; it is sitting at zero %. I am not towing and am once again driving around the mountains so I would not think that I am optimally burning all residue. It occurs to me that there may be a faulty Exhaust Filter sensor or that I am staying in regeneration mode, which given the normal fuel mileage, seems unlikely.
Has anyone else experienced this and if so, what was the outcome. Prior to this, my Exhaust Filter would start showing 5% buildup with 35 - 30 miles of driving.
Thank you ahead of time for any input.
Over Thanksgiving we traveled to Penn. and the regens extended to 450 - 500 miles, all of which seems quite normal. After the last regeneration, it took 130 miles for the Exhaust Filter gauge to start showing registering any soot build up and once the truck hit 500 miles, it started a regen.
I always track the mileage between regens and so far I have driven 225 miles and the Exhaust Filter is not showing any soot build up; it is sitting at zero %. I am not towing and am once again driving around the mountains so I would not think that I am optimally burning all residue. It occurs to me that there may be a faulty Exhaust Filter sensor or that I am staying in regeneration mode, which given the normal fuel mileage, seems unlikely.
Has anyone else experienced this and if so, what was the outcome. Prior to this, my Exhaust Filter would start showing 5% buildup with 35 - 30 miles of driving.
Thank you ahead of time for any input.
Lead Driver
Joined: Nov 2005
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From: Kaysville Utah
Passive Regen begins at 572° temps. You can hit that at 70 mph on freeway driving.
Your long drive to Penn may have just let the passive regen kept up with the soot
I would not worry about it.
Your long drive to Penn may have just let the passive regen kept up with the soot
I would not worry about it.
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Cutting Diesel (#2 Diesel, Summer) with Kerosene (#1 Diesel)
Kerosene can be mixed with diesel fuel to gain a couple of benefits. In the winter time, kerosene is extremely useful for changing the cold weather handling temperatures of diesel fuel. The rule of thumb is that mixing in ten percent kerosene will lower the cold filter plugging point of a diesel fuel blend by five degrees. In the really cold weather climates, it can be more cost effective to use kerosene as a mixer, rather than a cold flow polymer.Mixing kerosene with #2 is also tried to lower emissions. The logic is that kerosene "burns cleaner" than #2, and so will lower emissions.
#1 Diesel is more expensive to make and has less BTU's (Energy). It also has less lubrication qualities.
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