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Home >> Chevrolet >> 2004 >> Tracker RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 2.0L (Introduction) >> Description and Operation >> Fuel System Description >> Power Enrichment
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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.