CPC F02M 26/49 (2016.02) [F02D 41/1446 (2013.01); F02M 26/14 (2016.02); F02M 26/47 (2016.02); F02D 2200/70 (2013.01)] | 20 Claims |
1. A method for assessing an output of a temperature sensor, comprising:
generating an estimate of a temperature of a sensor coupled to an exhaust gas passage based on an engine coolant temperature and an ambient air temperature; and
indicating whether or not the temperature sensor is degraded in response to the temperature of the sensor.
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