11. EGR (valve ) opening
12. To the fuel tank
13. To the fuel tank
14. Atmospheric opening
A = Crankcase gas recirculation system
B = Fuel vapour control system
Catalizzatore
Catalytic converter
A cylindrical three-way catalytic converter having
a monolith is assembled under the bodywork, be-
tween the exhaust manifold and the main silencer.
The three-way catalytic converter can treat all
three components CO, HC and NOx simultane-
ously in a single unit. When the exhaust emissions
are purified by the three-way catalytic converter,
the purification characteristics mainly depend on
PORTER 1.3 16V Emission Controlo System
CO EM - 55