Posted by 4play on October 19, 2016 at 18:50:26 from (68.228.173.8):
In Reply to: O/T Ford 6.7 problems. posted by fixerupper on October 19, 2016 at 17:36:08:
DEF, and DPF are two separate things. DEF is basically to control NOx emissions and its injected into the exhaust. DPF is basically an exhaust filter that traps particulate "soot" from the exhaust. As the soot builds up in the filter a regen process takes place. This is when fuel is injected in the exhaust (after turbo) to raise temperatures to burn off the soot. Here is the dumb part EPA doesn't care about, more fuel is used to make cleaner exhaust and the soot never goes away, it's just broken down into smaller pieces. More of those pieces become airborne but harder to see, more pieces will float around and get in your lungs too.
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Today's Featured Article - Talk of the Town: The Saga of Grandpa's Tractor - by The following saga is from the Tractor Talk Discussion Forum. Someone. The saga starts with the following message: Hey guys I have a decision to make. I know what you all will probably suggest and it will probably agree with me way down inside, but here it is. I have a picture blown up and framed in my "tractor room" of a Farmall M. It was my Grandpa's tractor, of which whom I never got to meet. He froze to death getting this tractor out of the barn to pull a truck out of the ditch before I was born. Anyway my dad and aunt had to sell it at the auction,
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