<p>A method for monitoring an exhaust gas sensor coupled in an engine exhaust is provided. In one embodiment, the method comprises indicating exhaust gas sensor degradation based on shape of a distribution of extreme values of a plurality of sets of lambda differentials collected during selected operating conditions. In this way, the exhaust gas sensor may be monitored in a non-intrusive manner.</p>
申请公布号
MX2015001532(A)
申请公布日期
2015.08.05
申请号
MX20150001532
申请日期
2015.02.03
申请人
FORD GLOBAL TECHNOLOGIES, LLC
发明人
MAKKI, IMAD HASSAN;JAMMOUSSI, HASSENE;BANKER, ADAM NATHAN;CASEDY, MICHAEL