The EM141S-TY01 is a state-of-the-art automotive repair training system for the purpose of teaching students proper techniques in diagnosing component failure in mechanical engines. This engine repair trainer has internal mechanical faults which do not require instructor to re-insert and repair the faults. Diagnosis can be done while the engine is still running and repeatable mechanical faults are available. This complete package of EM141S trainer provides automotive instructors with a real time-saver in creating faults and learning exercises.