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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1635 (Engine Control System & Fuel System - 6.6L (LMM) - Description And Operation) >> Description and Operation >> Engine Idle Control System Description >> High Idle Switch
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High Idle Switch

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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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