Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota 4Runner 1996-2003 Approved SIL techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 024runne ec5vzfe ecsy purp
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EC-1
EMISSION CONTROL (5VZ-FE) - EMISSION CONTROL SYSTEM
EMISSION CONTROL SYSTEM
EC00J-02
PURPOSE
The emission control systems are installed to reduce the amount of CO, HC 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
4. Positive Crankcase Ventilation PCV Reduces crankcase blow-by gas (HC)
5. Evaporative Emission Control EVAP Reduces evaporated HC
6. Three-W ay Catalytic Converter TWC Reduces CO, HC and NOx
7. 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 of this manual.
2002 4RUNNER (RM887U)
Author : Date : 918
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