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HINT: The reference orifice is located inside the canister pump module. DESCRIPTION The description can be found in the EVAP (Evaporative Emission) System. (See DESCRIPTION ). INSPECTION PROCEDURE Refer to the EVAP SYSTEM . MONITOR DESCRIPTION 5 hours* after the ignition switch is turned off, the leak detection pump creates negative pressure (vacuum) in HINT: *: If the engine coolant temperature is not below 35°C (95°F) 5 hours after the ignition switch is turned off, the MONITOR DESCRIPTION DTC Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic P043E Reference P043E, P043F, P2401, Reference orifice Reference orifice Leak detection pump Leak detection pump Vent valve ON (close) Canister pump module Connector/wire harness EVAP system hose ECM While 2 trip P043F Reference P2401 Leak P2402 Leak P2419 Vent valve Sequence Operation Description Duration - ECM activation Activated by soak timer 5, 7 or 9.5 hours after ignition switch -
2008 Toyota Tundra 2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra
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