Emission control system (1.4 and 1.6 l engines) (Nissan Sunny B13)

The exhaust gas toxicity reduction system of the Nissan Sunny vehicles in question includes the crankcase ventilation system, as well as the following systems, which are provided on some vehicles, depending on the modification.

On carburetor engines without a neutralizer - idle speed corrector and throttle valve air shock absorber

On carburetor engines with a neutralizer without a recirculation system - a neutralizer, idle speed corrector and a pneumatic shock absorber of the throttle valve

On carburetor engines with a neutralizer and recirculation system - a neutralizer, systems for capturing gasoline vapors, recirculation and oxidation of exhaust gases, an idle speed corrector and a pneumatic shock absorber for the throttle valve.

On engines with a direct fuel injection system - a neutralizer, gasoline vapor recovery and recirculation systems, and an idle speed corrector.

Maintenance of the system consists of inspecting the hoses and periodically replacing the filter.