Engine misfire detection
A method of detecting misfire in a combustion engine of a motor vehicle engine includes measuring a speed of a crankshaft, calculating a modal coefficient for each cylinder of the combustion engine, and indicating a misfire for at least one of the cylinders based on the calculation of the modal coefficients.
GM GLOBAL TECHNOLOGY OPERATIONS LLC
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Jun-mo Chen-fang Yongjie David J.
Kang Chang Zhu Brooks