Mazda B-Series, Training Manual

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Emission System WL-C Engine
Emission System
Features
•
The emission system of the WL-C engine has the following features:
–
One EGR solenoid valve to control EGR valve position instead of two solenoid
valves as used on the B-series
*
1)
–
EGR control solenoid valve for quick EGR cut-off
–
EGR valve position sensor
–
Enlarged EGR cooler
–
Three-step ISV ( I ntake S hutter V alve) with vacuum actuator *
2)
–
ISV solenoid valve (half) and ISV solenoid valve (full) *
2)
–
Oxidation catalytic converter
*
1)
Similar to Mazda2 pre F/L (1.4 MZ CD)
*
2)
Similar to Mazda6 pre F/L (2.0 MZR CD)
Parts Location
BT-50_01032
1 Rollover valves 4 Evaporative chamber
2 Vehicles with cargo box 5 Check valve (two-way)
3 Vehicles without cargo box
01-34 Service Training BT-50