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PCV hose is connected correctly and is not damaged. NG: REPAIR OR REPLACE PCV HOSE (See PCV VALVE ) OK: Go to Next Step 3. 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 REMOVAL ) OK: Go to Next Step 4. CHECK THROTTLE VALVE a. Check the throttle valve condition. OK: Throttle valve is not contaminated with foreign objects and moves smoothly. NG: REPLACE THROTTLE BODY ASSEMBLY (See REMOVAL ) OK: REPLACE ECM (See REMOVAL ) DTC P050A COLD START IDLE AIR CONTROL SYSTEM PERFORMANCE DESCRIPTION DTC DETECTION CONDITION AND TROUBLE AREA REFERENCE CHART This monitor will run when the engine is started with the engine coolant temperature at -10 to 50°C (14 to 122° DTC DTC Detection Condition Trouble Area P050A Insufficient mass air flow at cold Throttle body Mass air flow meter PCV hose Air cleaner filter Air induction system VVT system ECM
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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