MODES Altitude The engine will transition between EGR and boost mode at an altitude of 6500 ft. Altitude is determined by the Barometric Pressure Sensor located on the engine. See Figure 2-3. Condensation Protection In very cold ambient (i.e. mode. EGR is disabled during this mode requiring a slower turbo speed. The engine will sound "different". During this mode of operation the operator will notice a lower "boost" reading compared to when EGR is active, however there is NO reduction of power. 3-2 All information subject to change without notice. (Rev. April 2004) 7SE60 0404 Copyright © 2004 DETROIT DIESEL CORPORATION