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Home >> Pontiac >> 2003 >> Vibe Base, FWD, Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Control System - Theory & Operation >> Fuel Systems >> Fuel Control >> 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.