This study develops a progressive optimal fault-tolerant control method based on insufficient fault information. By combining passive and active fault-tolerant control manners during the process of fault diagnosis. insufficient fault information is fully used. and optimal fault-tolerant control effect is achieved. https://www.ealisboa.com/mega-pick-2002-2003-LEXUS-ES300-Sedan-3-0L-Coolant-Recovery-Reservoir-Bottle-Overflow-Tank-hot-grab/