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Home >> Chevrolet >> 2005 >> Optra5 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.6L (L91) - Introduction And Mechanical Repairs >> Description and Operation >> Fuel System Description >> Fuel Control System Operation >> Fuel Cut-Off Mode
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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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