Mazda CX-5 Service & Repair Manual: Fresh Air Duct
Purpose, Function
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Conducts fresh air from outside the engine compartment.
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Increases air density by taking fresh air, which is cooler than the engine compartment, to enhance the charging efficiency, ensuring the combustion stability.
Construction
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The fresh-air duct is installed to the air cleaner.
Engine
Special Features
For SKYACTIV-G 2.0, the following is performed to lower fuel consumption.
Improvement of mechanical resistance loss
Narrowed down crankshaft journ ...
Hydraulic Variable Valve Timing Actuator Inspection
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Do not disassemble the hydraulic variable valve timing a ...
Other materials:
Fuel Injection Control System
Outline
Performs optimum fuel injection according to engine operation conditions.
The PCM determines the engine operation conditions based on the signals from
each input device and drives the fuel injectors at the optimal fuel injection
time (fuel injection amount) and the fuel ...
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:
Par ...
Fuel Pump Control
Outline
By switching the fuel pump discharge amount, reduced power consumption and
improved fuel economy have been realized.
The PCM determines the optimum fuel pump drive force according to the engine
operation conditions, and sends the fuel pump drive signal to the fuel pump
...
