Method and system for rough road indications for misfire detection
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United States of America Patent
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May 11, 2010
Grant Date -
Oct 9, 2008
app pub date -
Apr 4, 2007
filing date -
Apr 4, 2007
priority date (Note) -
Expired
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Abstract
A method of operating an engine includes determining at least one characteristic of rough road performance based on at least one driveline characteristic and receiving crankshaft acceleration data. The method further includes comparing the received crankshaft acceleration data and determined characteristic, inhibiting the misfire counter based on the comparison, and operating the engine based on the disabled misfire detection.
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