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Home >> Pontiac >> 2007 >> Vibe Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - Introduction (2 Of 2) >> Description and Operation >> Fuel System Description >> 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, powertrain control module (PCM) determined value.