Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm ec ecsy purp<< Back
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EMISSION CONTROL - EMISSION CONTROL SYSTEM
EMISSION CONTROL SYSTEM
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
(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
Remark: *For inspection and repair of the SFI system, refer to the SF section of this manual.
2002 ECHO (RM884U)
Author : Date : 700
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