How To Set High Idle On 2020 Duramax at Emma Wm blog

How To Set High Idle On 2020 Duramax. I have a 2021 gmc denali l5p that has started raising the idle speed to about 900 rpms after starting and running at normal idle (550 rpm). Remember to always use caution when adjusting the idle speed and. To adjust the elevated idle on your duramax, you can use the dic and buttons to toggle the feature on or off, engage the parking brake or emergency brake to activate the feature, and install a fast idle switch kit to increase the idle speed beyond the calibrated high idle speed. You should be able to activate or turn on the elevated idle that automatically kicks in when truck is under certain cold temps. Turn the ignition on, with the engine off. To enable or disable the manual high idle system perform the following procedure: Duramax diesel lmm, lly, lbz, lml high idle how tohigh idle switch, elevated idle. Basically it's a computer reprogram and they have to go back to gm for it. Find a dealer willing to do the high idle calibration.

Turn the ignition on, with the engine off. Basically it's a computer reprogram and they have to go back to gm for it. I have a 2021 gmc denali l5p that has started raising the idle speed to about 900 rpms after starting and running at normal idle (550 rpm). Remember to always use caution when adjusting the idle speed and. To enable or disable the manual high idle system perform the following procedure: Find a dealer willing to do the high idle calibration. To adjust the elevated idle on your duramax, you can use the dic and buttons to toggle the feature on or off, engage the parking brake or emergency brake to activate the feature, and install a fast idle switch kit to increase the idle speed beyond the calibrated high idle speed. You should be able to activate or turn on the elevated idle that automatically kicks in when truck is under certain cold temps. Duramax diesel lmm, lly, lbz, lml high idle how tohigh idle switch, elevated idle.

S400 duramax high idle YouTube

How To Set High Idle On 2020 Duramax To adjust the elevated idle on your duramax, you can use the dic and buttons to toggle the feature on or off, engage the parking brake or emergency brake to activate the feature, and install a fast idle switch kit to increase the idle speed beyond the calibrated high idle speed. Remember to always use caution when adjusting the idle speed and. To enable or disable the manual high idle system perform the following procedure: Duramax diesel lmm, lly, lbz, lml high idle how tohigh idle switch, elevated idle. To adjust the elevated idle on your duramax, you can use the dic and buttons to toggle the feature on or off, engage the parking brake or emergency brake to activate the feature, and install a fast idle switch kit to increase the idle speed beyond the calibrated high idle speed. Basically it's a computer reprogram and they have to go back to gm for it. Find a dealer willing to do the high idle calibration. Turn the ignition on, with the engine off. You should be able to activate or turn on the elevated idle that automatically kicks in when truck is under certain cold temps. I have a 2021 gmc denali l5p that has started raising the idle speed to about 900 rpms after starting and running at normal idle (550 rpm).