1998 MITSUBISHI LANCER EVOLUTION IV oil

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Page 74 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual MPI – On-vehicle Service13-31
5. MPI SYSTEM COMPONENTS LAYOUT
NameSymbolNameSymbol
A/C switchQExhaust temperature warning lampS
A/C relayHFuel pressure control valveA
Air flow sensor (with a built-i

Page 79 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual MPI – Injector13-36
INJECTOR
REMOVAL AND INSTALLATION
Pre-removal Operation
(1) Fuel Discharge Prevention
(2) Air Hose D Removal 
(Refer to GROUP15 – Intercooler.)Post-installation Operation
(1) A

Page 84 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual ENGINE COOLING – Thermostat14-4
INSTALLATION SERVICE POINTS
ATHERMOSTAT INSTALLATION
(1) Install the thermostat so that the jiggle valve is facing
straight up.
Caution
Make absolutely sure that no

Page 91 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual INTAKE AND EXHAUST – 
Service Specifications / 
Special Tool / On-vehicle Service15-2
SERVICE SPECIFICATIONS
ItemsStandard valueLimit
Turbocharger boost pressure kPa {kg/cm2}53 – 87 {0.54 – 0.89

Page 93 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual INTAKE AND EXHAUST – On-vehicle Service15-4
3. WASTEGATE ACTUATOR CHECK
(1) Connect  a hand pump (pressure type) to the nipple.
(2) Gradually increase the pressure being applied to check
for the pre

Page 94 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual INTAKE AND EXHAUST – On-vehicle Service15-5
6. SECONDARY AIR CONTROL SYSTEM
CHECK
(1) Start the engine and let it run at idle speed.
(2) Short-circuit the no. 6 terminal of the engine ECU
connector

Page 98 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual INTAKE AND EXHAUST – Intake Manifold15-9
INTAKE MANIFOLD
REMOVAL AND INSTALLATION
Pre-removal Operation
(1) Fuel Discharge Prevention
(2) Throttle Body Removal (Refer to GROUP 13.)
(3) Front Exhaust

Page 99 of 396

MITSUBISHI LANCER EVOLUTION IV 1998  Workshop Manual INTAKE AND EXHAUST – Intake Manifold15-10
REMOVAL SERVICE POINT
ADELIVERY PIPE, INJECTOR AND PRESSURE
REGULATOR REMOVAL
Remove the delivery pipe with the injectors and pressure
regulator attached