HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION FACULTY FOR HIGH QUALITY TRAINING GRADUATION PROJECT OPTIMIZE INJECTION TIMING BY PEAK AND HOLD METHOD NGUYEN GIA HUY Student ID 16145018 VO MINH KHANG Student ID 16145022 Major AUTOMOTIVE ENGINEERING Advisor Assoc Pro Dr DO VAN DUNG Ho Chi Minh City, August 2020 HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION FACULTY FOR HIGH QUALITY TRAINING GRADUATION PROJECT OPTIMIZE INJECTION TIMING BY PEAK AND HOLD METHOD NGUYEN GIA HUY Studen.