<![CDATA[SMKN 3 Kepulauan Mentawai faces limitations in practical facilities and the competencies of teachers and students in Electronic Fuel Injection (EFI) technology, particularly due to limited access to modern automotive equipment and training. This community service activity aims to improve the competencies of teachers and students in the maintenance, diagnosis, and repair of EFI systems through strengthening practical facilities and practice-based training. The methods employed included socialization, demonstrations, technical training, hands-on practice, mentoring, and evaluation through pre-tests, post-tests, skills observations, and participant satisfaction questionnaires. The training materials covered the basic concepts of EFI, components and operating principles, fault diagnosis, maintenance, and repair using an EFI engine trainer, scanner, fuel pressure gauge, and injector cleaner tester. This activity is expected to improve the readiness of teachers and students to implement modern automotive technology learning and strengthen the sustainability of practical learning at the school.]]>
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