Quote:
Originally Posted by ConnClark
Unfortunately eco driving can have detrimental effects on some emissions equipment. The 1985-87 Mercedes California emissions diesels had a DPF that would plug up if the cars were not driven hard enough to keep the DPF hot enough to prevent plugging. In fact a shop manual page I got a hold of described the regeneration procedure "Place the car on a dynamometer at 4000 rpm for 20 minutes". On my car that would be the equivalent of driving it over 90mph. So any trip that does not sustain highway driving conditions for an extended period will plug the DPF. A plugged DPF increases emissions.
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I had to point this out... while 4kRPM might be 90MPH in high gear, in low gear it might be the equivalent of about 10-20 MPH, and is completely do-able.
What this means: You could potentially drive around town "cleaning" your Diesel Particulate Filter.
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