Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Tundra 2000-2006 Approved 04-06 techinfo.toyota.com ileaf 06toyrm 06toypdf 06rmsrc 06tundra ec2uzfe ecsy purp
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EC-1
EMISSION CONTROL (2UZ-FE) - EMISSION CONTROL SYSTEM
EMISSION CONTROL SYSTEM
EC087-03
PURPOSE
The emission control systems are installed to reduce the amount of HC, CO and NOx exhausted from the
engine ((3) and (4)), to prevent the atmospheric release of blow-by gas-containing HC (1) and evaporated
fuel containing HC being released from the fuel tank (2).
The function of each system is shown in these table:
System Abbreviation Function
(1) Positive Crankcase Ventilation PCV Reduces HC
(2) Evaporative Emission Control EVAP Reduces evaporated HC
(3) Three-Way Catalytic Converter TWC Reduces HC, CO and NOx
(4) Sequential Multiport Fuel Injection* SFI Injects a precisely timed, optimum amount of fuel for reduced exhaust
emissions
Remark: * For inspection and repair of the SFI system, refer to the SF section in this manual.
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