Emission Control System - Subaru XT 1988 Service Manual

EMISSION CONTROL SYSTEM AND
VACUUM FITTING
SUBARU
1988
System Application
General Precautions
Schematic Drawing
Page
2
2
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Crankcase Emission Control System. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5
DESCRIPTION ........................................ 5
INSPECTION ......................................... 6
Ignition Control System .................................... 6
Three·Way Catalyst ....................................... 8
Oxidation Catalyst . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8
Evaporative Emission Control System ........................... 8
DESCRIPTION ........................................ 8
INSPECTION ......................................... 10
Vacuum Fitting ...... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11