Mazda CX-5 Service & Repair Manual: Miller Cycle Engine
Outline
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The Miller cycle engine is a high-efficiency engine which achieves high fuel economy performance by obtaining a high-expansion ratio.
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The Miller cycle engine achieves a high-expansion ratio without increasing its effective compression ratio by retarding the intake air valve close timing.
Operation
1. Intake air is introduced into the cylinder.
2. The intake valve is kept open after the intake stroke is finished to force the air in the cylinder to flow back to the intake pipe.
3. The compression stroke starts from the position in which the intake valve is closed (small compression).
4. The air-fuel mixture is combusted and the piston is pushed down to BDC (large expansion).
Mechanical
Outline
The sliding resistance*1 has been reduced by:
the adoption of a rocker arm (built into needle roller bearing)
reducing load on the valve spring
narrow ...
Non Return Valve Inspection
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin ...
Other materials:
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• New Vehicle Limited Warranty
• Powertrain Limited Warranty
• Safety Restraint System Limited Warranty
• Anti-perforation Limited Warranty
• Federal Emission Control Warranty/California
Emission Control Warranty
• Emission Defect Warranty
• Emission Performance Warranty
• E ...
Front ABS Wheel Speed Sensor Removal/Installation
1. Remove the mudguard..
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. After installation, verify that there is no twisting in the front ABS wheel-speed
sensor.
1
Connector
2
Bolt
...
Rear Door Speaker Removal/Installation
Without Bose®
NOTE:
If the procedure is performed while holding the front door speaker cone,
it could deform the cone causing a malfunction. Therefore, perform the procedure
while holding any part other than the cone.
1. Disconnect the negative battery cable..
2. Remove the r ...
