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EMISSION
CONTROL
INFORMATION
EXHAUST EMISSION CONTROL SYSTEM (PAIR SYSTEM)
The exhaust emission control system is composed of the PAIR system and exhaust control system. The
fresh air is drawn into the exhaust port with the
PAIR valve and PAIR reed valve. The PAIR valve is oper-
ated by the engine vacuum, and the exhaust gas flow is controlled by the ECM by changing the exhaust
control valve angle.
ECM
<::=J
FRESH AIR
~VACUUM
..
EXHAUST GAS
Exhaust control valve