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OK: Go to Next Step 4. CHECK PCV SYSTEM a. Allow the engine to idle. b. Pinch the positive crankcase ventilation (PCV) hose. c. Check the engine speed. OK: The engine speed rises when the PCV hose is pinched. NG: Go to step 9 OK: Go to Next Step 5. CHECK AIR CLEANER FILTER a. Visually check that the air cleaner filter is not excessively contaminated with dirt or oil. NG: Go to step 10 OK: Go to Next Step 6. CHECK AIR INDUCTION SYSTEM a. Check the air induction system for vacuum leakage (see ON-VEHICLE INSPECTION ). NG: Go to step 11 OK: Go to step 12 7. REPAIR OR REPLACE THROTTLE BODY a. Repair or replace the throttle body (see REMOVAL ). NEXT: Go to step 13 8. CHECK AND REPAIR VVT SYSTEM NEXT: Go to step 13 9. REPAIR OR REPLACE PCV HOSE NEXT: Go to step 13 10. REPLACE AIR CLEANER FILTER NEXT: Go to step 13
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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