VEHICLE DIAGNOSIS DEVICE AND METHOD
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United States of America Patent
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Issued Date -
Mar 7, 2013
app pub date -
Apr 8, 2011
filing date -
Apr 8, 2010
priority date (Note) -
Abandoned
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Abstract
A method of diagnosing faults within an engine system, the engine system comprising a plurality of cylinders, the method comprising: monitoring the output signal of one or more in-cylinder pressure sensors within the engine system, each of the one or more in-cylinder pressure sensors being associated with a cylinder within the engine system; determining a pressure related parameter for a given cylinder having an associated in-cylinder pressure sensor; and diagnosing the presence of faults within the engine system on the basis of the pressure related parameter.
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