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If you have a legitimate issue with your truck, and you need assistance beyond what the dealer is doing or has done, they can help you. But they typically do not clarify on technical aspects or provide information in regards to things like when a truck should regenerate or how often. Their purpose is to assist the customer (members here) with issues with their vehicle and work as a go-between for the dealer and customer.
I think it has more to do with what you're asking them. I don't know of any rules. However, if it's a bunch of posts that don't really concern anything they can address then it's likely an exercise in futility. For example, given they aren't mechanics and know nothing as far as normal regen frequency, does it do any good to tag them with that question? I'm relatively new here also, but have a 2022 that has been in the shop for about 7 weeks now so I've become well versed in what they do and don't know. So please don't think I'm blaming you are attacking you for what you'd like addressed. Honestly I think all of us with '22+ trucks would love to know what the heck is going on.
Ok, I thought that the quesiton of why there are engineering changes that cause a regen every 100 miles to be normal was a legitimate question. If they don't think that is normal...and I have seen some places where apparently Ram Cares has stepped in to say that, then why don't we let them answer the question rather than answering it for them?
All I can say is that based on my interactions with them directly as someone with a truck in the shop with no end in sight - they only know what the tech puts in the computer, and what Ram puts in as a response for a star case. My rep is nice, and responsive within his work capacity but didn't know what a MAF was, EVIC, ECM/ECU, etc were. I've been explaining to him what the acronyms are and what the parts do that have been replaced on my truck. Based purely on that I doubt you'll get a satisfactory response.
This is an interesting thought I'd be interested to see a response from a more seasoned diesel guy on. I know on older diesels if you ran lean, you ran hotter. My dad suggested a tune on my prior truck (ecodiesel) that would run lean - increased MPG and significantly less regens. I ended up with a GDE tune that I'm not sure ran any leaner, but I did have higher EGTs with better fuel mileage, less regens, and increased HP/torque numbers as well as improved power curve. It also disabled the EGR, but the tradeoff was slightly higher DEF usage.
I would start by asking that service tech to supply you with a document that explains or verifies this purported engineering change to the regeneration system.
The additive is supposed to lower the temperature required to remove soot and carbon from the DPF, injectors, EGR, valves and any other parts the fuel comes in contact with. It is used as a cleaner. It also has a cetane improver that improves combustion and lowers soot. I agree that it is on the fuel side of the equation but is it from over fueling because of air flow restriction or because the ECM can’t interpret what the sensors are telling it or are the sensors not operating properly ? No one seems to have the answer.
Yeah, unfortunately the tech that is helping me is very obstinate and unfriendly. Will not discuss anything with me other than there's no check engine light and this is normal behavior for your truck. This isn't the first time I have been in there and received that treatment. Often times won't even look me in the eye. I have been logging my regens and they are currently averaging around ~100 miles. I had the check engine light come on previously and they replaced the MAF, which did nothing. In fact as of recent it seems worse and I don't know why I'm not throwing the same codes now.
I could try that. What he has told me is that they have "pulled the codes" on the truck and that there isn't anything wrong with it and then the bit about the "engineering changes" in the newer trucks. I will try to push him more on the engineering part but am not hopeful since usually he treats me like and total waste of his time to even be speaking with.
I agree wholeheartedly with what you're saying. They replaced my MAF with a slight improvement from 20 ish miles per regen to 50 ish. I've been waiting for about a week for further updates on what they'll be doing next. The dealer I go to has 1 actual good tech, but the rest leave much to be desired. The most recent was their new level 3 hire that said my oil looked and smelled fine despite being very high on the dipstick. I've specifically requested an OA, but if denied I'll show up at the dealer to pull my own sample. I could be wrong but something is either "making oil" (IE diesel getting in the crank case) or the CCV filter is holding oil when it shouldn't be given I've changed it per FCA guidelines...or possibly something else I'm unaware of
1. What type of drive cycles does your truck see regularly?
I should have also mentioned that I spoke with someone from Ram Cares on the phone last week and they told me I should take it back to the dealer. So, right now I am stuck between them telling me to go in and the dealer telling me to go away.
1.) Mixed city and highway. Mostly highway regularly. Towing occasionally for longer trips and this hasn't generally been an issue when towing, only when unloaded.
Every time I ask to talk to one of their diesel mechanics I get some runaround why it isn't possible. I may have to insist on it next time and try to get a better answer on the regens from him.
I had this issue and asked Ram Cares to call the dealer because I was getting no where - they did, and the dealer took it in. I had no CEL ever, but had records of the crazy regens. I had many days where I was getting 2+ regens a day. Needless to say they did a forced regen and sent me home. I hadn't made it 20 miles and it went into regen. Called dealer back and they've had it ever since.
I would add to this as well, that my truck actually seems to do better not on the highway. Highway speeds really seems to kick the DPF load % up. I monitor with OBD fusion, not the truck EVIC.
Are you getting any closer to an answer from them? What tests have they been running since having it?
I'm also interested in the AGS slats being removed. I have wondered about this system as well as my truck really seems to be impacted by speeds over 60mph. Potentially the slats closing are restricting too much airflow? When did they add the AGS system to the 2500 Rams?
They've done several forced regens, bore scoped the DPF as it started a regen and said it was clean which confused even them, did a manual cleaning immediately before another regen and said that it only had 4.2 grams of soot (42 grams is about where it should regen), changed the MAF, bore scoped again just before EVIC said it was about to regen (47% ish - not quite 80 miles first post MAF replacement test drive) but this time did appear sooted up. Drove it so it would start and complete the regen. Followed that with another forced regen, and another test drive that then didn't even make it 50 miles before going into regen. They've checked for exhaust leaks, did the Y43 recall for the post SCR diesel particulate sensor. I may be missing something but that's about it since the beginning of May
