ISM Idle Speed Control
All engines spend a significant portion of their life at idle. The ISM engine gives you the ability to set desired idle speed. It also gives you the ability to control idle speed using the Cruise Control switches. Idle Speed Control increases fuel economy and can be helpful in reducing cab noise and vibration.
Idle time also affects fuel economy of the vehicle. The Idle Shutdown feature allows you to cause the shutdown of the engine after a specified period of inactivity. This encourages operators to limit idle time and thereby increases the fuel economy of your vehicle.
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