Pulsation Reduce Chamber Description; Three-Way Catalytic Converter (Twc) Description - Mazda 6 Training Manual

1 EGR valve
2 Purge solenoid valve
3 Evaporative gas check valve (one-way) (L.H.D.)
4 PCV valve
5 Ventilation hose
6 TWC
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PULSATION REDUCE CHAMBER DESCRIPTION

• A pulsation reduce chamber has been adopted
between the purge solenoid valve and the
charcoal canister to eliminate pulsation that
occurs during the purge solenoid valve operation,
preventing the pulsation from being transmitted to
the charcoal canister.
1 Pulsation reduce chamber
2 To purge solenoid valve
3 To charcoal canister
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THREE-WAY CATALYTIC CONVERTER (TWC) DESCRIPTION

Features
• Due to the shorter distance to the catalytic converter, temperature decrease of ehaust emission is prevented
and catalyst is more efficient.
• Temperature decrease of ehaust emission is further prevented with double layered ehaust manifold pipes.
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F–24
EMISSION SYSTEM
.
7 Charcoal canister (L.H.D.)
8 Charcoal canister (R.H.D.)
9 Pulsation reduce chamber (R.H.D.)
10 Rollover valve
11 Check valve (two-way)
A6E391601007T03
A6E3916W022
A6E391620500T01