JoeR Posted February 27, 2019 Share Posted February 27, 2019 Posting just because I'm impressed. This thing pushed the substrate right out the back. The only thing holding it in is the EGT. Quote Link to comment Share on other sites More sharing options...
Keith Browning Posted February 27, 2019 Share Posted February 27, 2019 This thing actually ran? I am impressed that it was able to get that badly face plugged before it got to you. Quote Link to comment Share on other sites More sharing options...
JoeR Posted October 31, 2019 Author Share Posted October 31, 2019 Some more Volvo DPF Pics. This was at a fleet of identical trucks. Only a handful were doing this. Ash was Calcium Sulfate. It was from the drivers putting an additive in the fuel. They never admitted to what they were putting in there, but it was likely something they were getting their hands on at the shop. It's unlikely they were spending their own funds on an additive. My guess was they were adding ATF. Calcium is probably in there as a lubricant. It poisoned the DOC as well, so they got new exhaust systems. 2 Quote Link to comment Share on other sites More sharing options...
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