Chevy and GMC Duramax Diesel Forum - View Single Post - Calling out all who had problems with DEF/Emissions
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post #9 of (permalink) Old 07-04-2013, 07:28 PM
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Join Date: Jun 2012
Location: Tar Sands
Posts: 1,664
When new mine did a regen once per tank, now it does it twice per tank, with no change in driving habits or loading. Soon it will spend as much time in regen as not. I can't get near a dealer because all their diesel techs are booked up weeks in advance. When I asked the service writer what were the reasons for the backlog, he replied "same as yours".

DPF/SCR technology summarized in three words: It doesn't work.
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