Intellectual Olympiad in Vehicle Technical Service - 2026 ongoing

Subject: Vehicle Technical Service
Level: IX
Category: educator
Quiz questions: in Chinese
Example question: 使用诊断仪检查发动机失火数据时，若某一气缸的失火计数持续增加，而点火线圈和火花塞互换后故障仍留在原气缸，下一步最应检查什么？ 燃油箱通气阀, 发动机冷却风扇, 该气缸的喷油器或机械密封状态, 蓄电池外壳