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Home >> Chevrolet >> 1999 >> Prizm Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Circuit Tests >> Fuel Injector Circuit (1.3L) >> Circuit Description
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Circuit Description

PCM energizes fuel injectors sequentially when reference pulses are received from ignition system. Fuel pump pressurizes fuel injectors as long as engine is cranking and PCM is receiving ignition system reference pulses.

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