Emission control system Mazda 626 (3rd and 4th gen)

General description of the emission management system
To prevent air pollution from burned and evaporating gases, a variety of emission control systems are installed in the car. The combination of systems used depends on...

Details of emission control systems
Details of emission control systems

Contactless ignition system
1. The non-contact ignition system used on all engines to which this manual applies controls the ignition spark for optimum engine performance with proper overall...

Air intake system
General description 1. The air intake system helps reduce hydrocarbons and carbon monoxide in the exhaust by introducing air into the intake ports of each cylinder. 2....

The system of impoverishment of the mixture when rolling
General description 1. The coast down valve is installed on vehicles delivered to the UK with a manual transmission. Its function is to supply the intake manifold with...

Positive Crankcase Ventilation (PCV)
Schematic of the PCV system General description 1. The positive crankcase ventilation system reduces the level of harmful exhaust by circulating fresh air through the...

Inlet flow temperature control system
General description 1. Intake flow temperature control system improves engine efficiency (efficiency) and reduces hydrocarbon emissions during warm-up by maintaining a...

Deceleration control system
General description 1. The deceleration control system gradually closes the throttle so that excessively unburned fuel is not thrown into the exhaust, giving an increase...

Eco mode indication system
Details of economy mode indication system General description 1. Some manual transmission models are equipped with economy mode indicator. Two lights on the dashboard...