Your ‘22 should have a DPF gauge under the vehicle information menu. Watch it and see under what driving style the DPF is filling up, and how often you’re doing a regen. I’ve found the gauge to be pretty sensitive and will show my DPF at 15-20% after even just a couple days driving around town without much load and sufficient EGT’s to conduce a passive regen.
Look at your paperwork and see what sensors were replaced, it shouldn’t have been NOx sensors as those deal with the SCR and not the DPF. The DPF pressure sensors are more likely.
I have never had that particular code on my truck. But I do have a couple of questions?
One, due you run the exhaust brake, how often? 2, if you do what mode do you run the brake in? 3, due you use the two-haul mode? 4, have you replaced the air filter as you have stated that the grasshoppers made it to the air filter? 5, due you use any diesel fuel additives?
Exhaust brake use will have little to no impact on regen frequency, and in reality nether should TH.
On a 13+ truck an active regen occurs every 24 hours of engine run time, at a minimum. It will occur more frequently if the DPF gets full.
If passive regen is sufficient then the DPF stays clean and will not need more frequent regens. Passive regen is occurring whenever the DPF is above 600°F.
In my experience with my ‘18 and ‘22 I’ve never had a regen trigger more frequently than the 24 hour run time, even with some shorter around town trips and commuting without a load on back roads.
It has had very little idle time from me, although the dealer said that they did idle it for 20 to 30 minutes when they were working on it.
What are the idle hours and total hours on the truck? It’s on the EVIC in the vehicle information menu.
Yes That was all done when they replaced the DPF. I don't believe they have checked for oil consumption at this point. Which I question as the oil used for the first oil change was a full synthetic 10w-30 which they say is the recommended oil by Stellantis/Chrysler over the 15w-40 that was common for diesel eng. It goes in 10/11/22 for its next service and I will have them replace the air filter.
Conventional 10w-30 is the normal above 0°F oil for the 19+ CGI 6.7. The all weather (below 0°F) oil is a synthetic 5w-40. There is no upper limit on temp with the 5w-40
15w-40 cannot be used in the 19+ CGI 6.7 as it may cause damage to the hydraulic lifters.
@Robert G Bradstreet, You should be running the EB every time you're driving the truck. Helps with saving the brakes when slowing the beast down. There are 2 setting to the EB. The first push is automatic mode and should be run whenever driving and 2nd push is full on and should be used when towing. This helps with keeping the vanes on the turbo sticking due to carbon build up. I run mine like this and live in the Mid Atlantic by the Chesapeake Bay. Don't need grades to run the EB. And yes to replacing that AF! BIG NO NO to using compressed air to clean the filter! Some of these dealers scare me with what they'll do!!!!!!!!!!!!!!!!!
While it is good to run the EB often it’s not needed every time you drive the truck, but run it often.
1st push is full on, 2nd push is automatic.
Both modes are good for driving empty or towing, it’s just preference. I go between both mods all the time. Automatic is an amazing feature when towing in the mountains as it maintains the speed I set with the accelerator or brake pedal, where full on would just run all the time and I don’t always want that.
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