Mazda B-Series - Fuel System

WL-C Engine Fuel System
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
*1)
– Common rail with fuel pressure sensor and pressure limiter valve *
2)
– Solenoid valve-type fuel injectors with injector correction factors, directly controlled
by the PCM *
1)
– 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
at idle Max.
32 160
2WD 4WD
63 70
BT-50_T01012
LFuel tank capacity
Specification
Bosch CP3S3
Item
Rail Pressure MPa
Service Training BT-50 01-25