Mazda CX-5 Service & Repair Manual: Exhaust Gas Purification System
Purpose, Outline
-
Purifies contaminants (HC, CO, NOx) in the exhaust gas by utilizing the chemical reactions of the three-way catalytic converter.
System Diagram
Structure
-
The exhaust gas purification system consists of the following parts:
|
Part name |
Reference |
|
WU-TWC |
(See CATALYTIC CONVERTER [SKYACTIV-G 2.0].) |
|
TWC |
Evaporative Emission (Evap) Control System
Purpose, Outline
Prevents release of evaporative gas into the atmosphere.
The intake manifold vacuum introduces evaporative gas to the intake manifold
via the charcoal canister and t ...
Positive Crankcase Ventilation (PCV) System
Purpose, Outline
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The intake manifold vacuum introduces blow-by gas to the intake manifold
via the PCV valve and the ...
Other materials:
Pressure Control Valve [Skyactiv G 2.0]
U.S.A. And CANADA
Purpose, function
Prevents fuel tank damage by suppressing the vacuum applied to the fuel tank
while the purge solenoid valve is open.
Suppresses the vacuum applied from the charcoal canister side to the fuel
tank.
Construction
Integrated with the ...
Rear Seat Back Striker Removal/Installation
1. Disconnect the negative battery cable..
2. Press the push knob to fold the rear seat back.
3. Remove the following parts:
a. Trunk board.
b. Trunk end trim.
c. Rear scuff plate.
d. Trunk side trim.
4. Remove the bolts.
5. Remove the rear seat back striker.
6. Install in the ...
Cylinder Head Cover
Purpose, Function
The cylinder head cover prevents foreign material penetration and engine
oil spatter.
The oil baffle plate reduces engine oil consumption by separating the engine
oil from the blow-by gas.
Construction
The lightweight cylinder head cover is made of ...
