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Home >> Chevrolet >> 2004 >> Optra Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - Description And Operation >> Description and Operation >> Fuel System Description (Non European Emissions) >> Fuel Control System Operation >> Fuel Cut-Off Mode

Fuel Cut-Off Mode

No fuel is delivered by the fuel injectors when the ignition is OFF. This prevents dieseling or engine run-on. Also, the fuel is not delivered if there are no reference pulses received from the CKP sensor. This prevents flooding.

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