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2019 Ram 2500 4 x 4
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FYI ...When you run hard the engine will not have to regen.

You only get them if you do short and cold runs. Even though you may see that gauge go up, during a good long run you can then watch it go down. The whole system gets so hot that what is called a "passive regeneration" takes place and the DPF is hot enough to clean itself.
 
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