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Home >> Chevrolet >> 2003 >> Chevy Express H2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - Theory & Operation) >> Fuel Systems >> Idle Speed >> Notes
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Idle Speed: Notes

WARNING: This page is about a different variant/trim than selected.

PCM controls engine idle speed depending upon engine operating conditions. PCM senses engine operating conditions and determines best idle speed.

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