REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER 2. DRAIN ENGINE COOLANT 3. REMOVE V-BANK COVER SUB-ASSEMBLY 4. REMOVE AIR CLEANER HOSE ASSEMBLY 5. REMOVE THROTTLE BODY ASSEMBLY
(b) Disconnect the throttle position sensor and control motor connector.
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Toyota Tundra Service Manual > Sfi System: Evaporative Emission Control System Incorrect Purge Flow (P0441)
DTC SUMMARY DTC No. Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic P0441 Purge VSV (Vacuum Switching Valve) stuck open Leak detection pump creates negative pressure (vacuum) in EVAP system and EVAP system pressure measured. Reference pressure measured a ...