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Chevrolet
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1988
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Spectrum Base, 2D Hatchback, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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1.5L EFI Turbo
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Operation
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ECM Controlled Devices
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Fuel Injectors
Fuel Injectors
The ECM controls the on/off time (duty cycle) of fuel injectors to regulate air/fuel ratio.