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Pontiac
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1988
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LeMans 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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1.6L TBI System
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Operation
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ECM Controlled Devices
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TBI Fuel Injector
TBI Fuel Injector
The ECM controls the on-off time (duty cycle) of fuel injector to regulate air/fuel ratio.