Method and system for exhaust gas recirculation system diagnostics

Methods and systems are provided for on-board diagnostics of an exhaust gas recirculation system. In one example, a method may include dynamically estimating upper and lower EGR limits based on a commanded EGR flow and estimating a ratio of accumulated difference between a measured EGR flow and one...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Jentz, Robert Roy, Thompson, Scott Steadmon, Smithberger, Pat Edward
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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