The amount of exhaust emissions (CO, HC, NOx) is controlled
by a combination of engine modifications and special control components.
The basic system control is composed of the combustion chamber, intake manifold, camshaft and ignition system.
These items are integrated into a highly effective system
which controls exhaust emissions while maintaining good drivability and
fuel economy.
Air/Fuel Mixture Control System [Multiport Fuel Injection (MFI) System]
The MFI system uses signals from the heated oxygen sensor to
activate and control the injector installed in the manifold for each
cylinder, thus precisely regulating the air/fuel mixture ratio and
reducing emissions.
This in turn allows the engine to produce exhaust gases of
the proper composition to permit the optimum use of a three-way
catalyst. The three-way catalyst is designed to convert the three
pollutants (1) hydrocarbons (HC), (2) carbon monoxide (CO), and (3)
oxides of nitrogen (NOx) into harmless substances. There are two
operating modes in the MFI system.
1. |
Open Loop air/fuel ratio is controlled by information programmed into the ECM. |
2. |
Closed Loop air/fuel ratio is adjusted by the ECM based on information supplied by the oxygen sensor. |
Other information:
Replacement
1.
Fully open the movable glass using the panorama sunroof switch.
2.
Loosen the mounting screws (A) located at the side of the panorama sunroof deflector.
•
Be careful not to damage the screws.
3.
Remove the panorama sunroof deflector (A) af ...
Description
The Emergency Fastening Device (EFD) operates at the same
time with the Seat Belt Pretensioner when it satisifies the deployment
condition after a collision. It is an auxiliary equipment to prevent a
driver and passenger from breaking away by pulling the seat belt toward
the a ...