ENGINE AND EMISSION CONTROL ± Emission Control System
17-6
SERVICE SPECIFICATIONS
Items Standard value
Purge control solenoid valve coil resistance (at 20_C) Ω 36 ± 44
EGR valve (stepper motor) coil resistance (at 20_C) Ω 10 ± 20
SPECIAL TOOL
Tool Number Name Use
MB991658 Test harness set Inspection of EGR valve
VACUUM HOSE
VACUUM HOSE PIPING DIAGRAM
PCV
valve
From fuel pump (low-pressure)
Canister
Purge control
solenoid valve
Oxygen sensor
Fuel pressure
regulator (high-
pressure)
To fuel tank
EGR valve
(stepper
motor)
P
Catalytic converter
Fuel pump (high-
pressure)
Injector
Air cleaner
Air
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