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Home >> Chevrolet >> 2009 >> Chevy Express G2500, Van Cargo Extended, 6.6 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L LMM - Introduction >> Description and Operation >> Engine Idle Control System Description >> High Idle Switch

High Idle Switch

The high idle switch will slowly increase engine RPM to the calibrated high idle speed when depressed. The high idle speed can be programmed by using a scan tool. Refer to High Idle Switch Programming . If the High Idle Switch is not operating as desired, refer to High Idle Switch Diagnosis .

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