Fuel Cut-off Control

During deceleration with the throttle valve closed, current to the injectors is cut off to improve fuel economy at speeds over 850 RPM. Fuel cut-off action also occurs when engine speed exceeds 6,900 RPM, regardless of the position of the throttle valve, to protect the engine from over-revving. With A/T model, when the vehicle is stopped, the PCM cuts the fuel at engine speeds over 5,000 RPM.