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NG : REPLACE ENGINE COOLANT TEMPERATURE SENSOR (See REMOVAL ) OK : Go To Next Step 16. READ VALUE USING TECHSTREAM (MAF) (See INSPECTION PROCEDURE ) NG : REPLACE MASS AIR FLOW METER (See REMOVAL ) OK : REPLACE ECM (See REMOVAL ) 17. CHECK AIR INDUCTION SYSTEM a. Check the air induction system for vacuum leakage. (See ON-VEHICLE INSPECTION ). OK: No leakage from air induction system. NG : REPAIR OR REPLACE AIR INDUCTION SYSTEM . (See INTAKE SYSTEM ). OK : Go To Next Step 18. CHECK VALVE TIMING (See INSPECTION PROCEDURE ) NG : ADJUST VALVE TIMING (See INSTALLATION ) OK : Go To Next Step 19. CHECK FUEL PRESSURE a. Check the fuel pressure. (See ON-VEHICLE INSPECTION ). NG : CHECK AND REPLACE FUEL PUMP, PRESSURE REGULATOR, FUEL PIPE LINE OK : Go To Next Step 20. READ VALUE USING TECHSTREAM (COOLANT TEMP) (See INSPECTION PROCEDURE ) NG : REPLACE ENGINE COOLANT TEMPERATURE SENSOR (See REMOVAL ) OK : Go To Next Step 21. READ VALUE USING TECHSTREAM (MAF) (See INSPECTION PROCEDURE ) NG : REPLACE MASS AIR FLOW METER (See REMOVAL ) OK : Go To Next Step 22. CHECK SPARK PLUG
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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