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17-6
ENGINE AND EMISSION CONTROL -
VACUUM CIRCUIT DIAGRAM
To
combustion
chamber
Vacuum
tank
Fuel pressure
solenoid valve
Air cleaner
Waste gate
solenoid valve
Vacuum hose colour
B: Black
G: Green
L:
Light blue
R: Red
W: White
Y: Yellow
Intake manifold
Air by-pass valve
Fuel pressure
regulator
Secondary air control
solenoid valve
EGR valve
Secondary air
control valve
Waste gate
actuator
Emission Control System
Throttle body
From air
cleaner
EGR control
solenoid valve
Purge control
solenoid valve
Check valve
Brown
Canister
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