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WL-C Engine
Fuel System
Features
•
The fuel system of the WL-C engine has the following new features:
–
High-pressure pump incorporating gear-type feed pump with overflow valve, three
element-type radial piston pump, fuel metering valve, and fuel temperature sensor
–
Common rail with fuel pressure sensor and pressure limiter valve *
–
Solenoid valve-type fuel injectors with injector correction factors, directly controlled
by the PCM *
–
Multiple fuel injection (up to two pilot injections, but no post injections)
–
Check valve in the fuel return line to prevent fuel from flowing back to the injectors
1)
*
Similar to Mazda3 (1.6 MZ-CD)
2)
*
Similar to Mazda6 (2.0 MZR-CD)
Specifications
High-pressure pump
Rail Pressure
Fuel tank capacity
Service Training BT-50
1)
Item
MPa
Specification
Bosch CP3S3
at idle
32
2WD
L
63
Fuel System
2)
Max.
160
4WD
70
BT-50_T01012
01-25
*1)
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