Michael J. Cullen - Northville MI, US John Rollinger - Sterling Heights MI, US Marsha Kapolnek - Dearborn MI, US Robert Baskins - Grass Lake MI, US Karen Willard - Grosse Point Farms MI, US
International Classification:
F01N 3/00
US Classification:
60284, 60285
Abstract:
An engine emissions diagnostic is disclosed that utilizes parameters correlating to catalyst temperature to identify when an indication of degraded performance may be generated.