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EMISSION CONTROL <MFI - T/C> TSB Revision ENGINE AND EMISSION CONTROL 17-71 VACUUM HOSE INSTALLATION M1173007200486 1. When connecting the vacuum hoses, they should be securely inserted onto the nipples. 2. Connect the hoses correctly, using the VACUUM HOSE ROUTING diagram as a guide. VACUUM HOSE CHECK M1173007300762 1. Using the VACUUM HOSE ROUTING diagram as a guide, check that the vacuum hoses are correctly connected. 2. Check the connection condition of the vacuum hoses which can be removed, loosened, clogged possibly. And then POSITIVE CRANKCASE VENTILATION SYSTEM GENERAL INFORMATION (POSITIVE CRANKCASE VENTILATION SYSTEM) M1173005001199 The positive crankcase ventilation (PCV) system pre- The PCV valve is designed to lift the plunger accord- SYSTEM DIAGRAM AK703398 AD Air cleaner Positive crankcase Ventilation hose Breather hose |