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Chevy Truck
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2001
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Tracker 4WD L4-1.6L VIN 6
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Description and Operation
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Fuel System
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Fuel System
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Fuel Injection Operation
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Power Enrichment
Power Enrichment
In order to provide maximum power during high engine load driving conditions, the
air/fuel mixture
is enriched when the throttle valve opening is more than a specified,
PCM
determined, value.