Service Specifications; Special Tool; On-Vehicle Service; Intake And Exhaust - Mitsubishi Lancer Evolution-IV Workshop Manual

15-2
INTAKE AND EXHAUST –

SERVICE SPECIFICATIONS

Items
Turbocharger boost pressure kPa {kg/cm
Wastegate actuator activation pressure kPa {kg/cm
Wastegate solenoid valve coil resistance (at 20_C) Ω
Air bypass valve activation pressure kPa {mmHg}
Secondary air control solenoid valve coil resistance (at 20_C) Ω
Intake manifold and exhaust manifold mounting surface distortion
mm

SPECIAL TOOL

Tool
2
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2
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Number Name
MB998770 Oxygen sensor
wrench

ON-VEHICLE SERVICE

Wastegate
solenoid valve
1. TURBOCHARGER BOOST PRESSURE
Blank plug
Caution
Carry out driving tests in a location where full-throttle
acceleration is possible with utmost safety. Two persons
should be in the vehicle during the test, the assistant
in the front passenger seat reading the pressure gauge.
(1) Disconnect the hose (black) from the boost pressure
(2) Drive at full-throttle acceleration in second gear and
Service Specifications /
Special Tool / On-vehicle Service
Standard value
53 – 87 {0.54 – 0.89}
Approx. 100 {1.02}
62 – 74
Approx. 53 {400}
28 – 36
Within 0.15
Application
Removal and installation of oxygen sensor
CHECK
control solenoid valve and fit the pressure gauge to this
hose.
After the hose (black) has been disconnected, fit a blank
plug to the solenoid valve nipple.
measure the boost pressure when the engine speed
exceeds about 3,000 r/min.
Standard value:
53 – 87 kPa {0.54 – 0.89 kg/cm
59 – 84 kPa {0.61 – 0.86 kg/cm
Limit
–
–
–
–
–
0.20
2
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