| 摘要 |
PROBLEM TO BE SOLVED: To provide technology of maintaining a stable operation state by satisfying demand output while using a rational construction even when malfunction occurs in an ignition promoter injection means in a premixed charge compression ignition engine which induces self-ignition of a mixture by injection of an ignition promoter.SOLUTION: A premixed charge compression ignition engine comprises a malfunction determination means 51 for determining occurrence of malfunction in an ignition promoter injection means 40, and a control means 52 executes operation continuation processing of shifting a target air-fuel ratio to a fuel rich side in air-fuel ratio control to continue operation by self-ignition combustion of a mixture M when the malfunction determination means 51 determined the occurence of malfunction. |
