Regeneration diagnostic methods and systems
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United States of America Patent
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Dec 8, 2015
Grant Date -
May 30, 2013
app pub date -
Nov 28, 2011
filing date -
Nov 28, 2011
priority date (Note) -
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Abstract
A method of monitoring an exhaust treatment system of a vehicle is provided. The method includes: determining a modeled resistance of exhaust flow in the exhaust treatment system; determining a measured resistance of exhaust flow in the exhaust treatment system; evaluating the modeled resistance and the measured resistance to determine a fault status; and generating at least one of a warning signal and a message based on the fault status.
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