Programming – Low Idle Engine RPM

The programmable Low Idle Engine RPM feature sets the minimum engine speed according to driver preferences.

All electronically controlled on-highway engines covered in this handbook


The ability to specify the low idle rpm can be very helpful if a different low idle rpm is needed, either to suit unique operating conditions or if there is resonant vibration at a specific rpm ( mirrors, rattles, etc. ). Lower idle rpm in conjunction with the proper load starting technique (“no throttle” starts) also reduces clutch wear.

Idling at higher speed increases fuel consumption and engine wear. Every effort should be made to stay as low as possible.

This adjustment is rarely required and should be done on a case by case basis.


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