Join Date: Sep 2017
Location: Florida south of Tampa
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MY regen experience
After seeing the post about the 24 hour regen time limit and having my regens got from 1200 to 1500 miles, I was going to comment that I thought the 24 hr limit was not true. My reason -- my regens went down to (just recently, like yesterday) 210 miles! That was a redux from the 600 to 800 miles between regens I had complained about a few weeks ago. I have the Stealth module which for 5K miles didn't adversely affect my regen cycles. I did start adding Opti-lube Summer formula (2 ozs. per tankful) but had first added a half bottle of Stanadyne. MPG numbers (hand calculated) with module were 2 mpg better (19 to 20mpg) and I figured the additive was lubricating the fuel pump and injectors -- posted another 1mpg improvement, again, hand calculated.
Last four tankfuls I have not used any additive thinking that perhaps the additive was creating "soot" or some other type of problem for the DPF. Then yesterday, a regen after only 210 miles! After reading those postings about the 24 hour time frame, I now figure that it was a coincidence to soot build-up and the 24 hr time frame. Not sure if the additives created the redux in my regen mileage, driving habits have reduced the 40 mile (at 75 to 80 MPH) one way trips to office so perhaps that is part of the equation also. Longest trips are about 20 miles since the regen frequency changed for the worst. Hmmm, glad I read the posts here today. Just wish the regens would go back to the 1200+ range. I haven't used the bypass on the Stealth module and was tempted (as it eliminates the fuel squirt in the exhaust phase -- which I had thought may contribute to more heat but was lacking with module) to use the bypass but, as there was no problem for the first 5K miles of Stealth module I didnt think that was the issue anyway.
Long trip slated for next week (160 miles one way) and maybe that will be the tell?? Will let you guys know in a week but feel free to comment on the above before then.