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Home >> Lexus >> 1993 >> SC 400 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Control Unit >> High Engine Speed Cut-Off

High Engine Speed Cut-Off

To prevent engine overrun, fuel injection is stopped if engine speed is greater than 6500 RPM. Fuel injection is resumed when engine speed falls below this level.