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Home >> Chevrolet >> 2000 >> Express 1/2 Ton Van V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Desired Idle Speed
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Desired Idle Speed

RANGE (0-3,187 RPM):
The VCM commands the desired idle speed by controlling the IAC. The VCM compensates for various engine loads by controlling IAC in order to maintain the desired idle speed.
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