Method and system for engine control

Methods are provided for holding an engine steady during a drive cycle to complete one or more diagnostic routines. The engine may be held steady while an operator torque demand varies if a sufficient number of diagnostic routines need to be completed and are enabled for completion. By holding the e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SMITH MATTHEW D, MARTIN DOUGLAS RAYMOND, TAYLOR RICHARD PAUL
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	Methods are provided for holding an engine steady during a drive cycle to complete one or more diagnostic routines. The engine may be held steady while an operator torque demand varies if a sufficient number of diagnostic routines need to be completed and are enabled for completion. By holding the engine steady, an accuracy and completion of the diagnostic routines is improved.