1998 MITSUBISHI MONTERO fuel pressure

headlight bulb oil temperature weight change wheel brake pads winter tires

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$MITSUBISHI MONTERO 1998 Service Manual Water Pump Bolt (Diamante) 8 mm Bolt .............................................. 18 (24)\ 10 mm Bolt ............................................. 30 (41)\$

Water Pump Bolt (Diamante)
8 mm Bolt .............................................. 18 (24)\
10 mm Bolt ............................................. 30 (41)\
INCH Lbs. (N.m)
Crankshaft & Drive Plate
Bell Housing ............................................ 79.7 (9)\
Oil Seal Case .......................................... 97.3 (11)\
Rear Plate (Montero) ................................... 97.3 (11\
)
Exhaust Manifold
Heat Shield ........................................... 123.9 (14)\
Oil Level Gauge Guide Bolt ............................ 123.9 (14)\
Generator & Drive Belt
Cooling Fan Bolt (Montero) ............................. 97.3 (11\
)
Cooling Fan Nut (Montero) .............................. 97.3 (11\
)
Timing Indicator Bolt (Montero) ........................ 97.3 (11\
)
Intake Manifold & Fuel
ECT Gauge Sender ....................................... 97.4 (11)\
Fuel Pressure Regulator Bolt ............................ 79.6 (9)\
Fuel Pipe Banjo Bolt .................................... 79.6 (9)\
Injector & Fuel Rail Bolt ............................. 106.2 (12)\
Water Outlet Pipe ..................................... 123.9 (14)\
Intake Plenum & Throttle Body
Ignition Coil Bolt (Montero) ............................ 115 (13\
)
Manifold Differential Pressure (MDP) Sensor ............. 44 (4.9\
)
Throttle Body Bolt ...................................... 106 (12)\
Vacuum Hose Assembly (Diamante) ......................... 88 (9.8\
)
Oil Pan & Oil Pump
Baffle Plate (Montero) ................................. 97.3 (11\
)
Baffle Plate (Diamante) ................................ 97.3 (11\
)
6 mm Bolt ............................................... 53.1 (6)\
8 mm Bolt ............................................... 79.6 (9)\
Oil Pump Cover Bolt (Diamante) ......................... 88.5 (10\
)
Oil Pump Cover Bolt (Montero)
6 mm x 10 mm Bolt .................................... 97.3 (11)\
6 mm x 18 mm Bolt ..................................... 53.1 (6)\
Oil Pressure Gauge Sender .............................. 88.5 (10)\
Oil Pan (Upper) ......................................... 53.1 (6\
)
Oil Pan (Lower) ........................................ 97.3 (11\
)
Oil Pump Case ......................................... 123.9 (14)\
Oil Screen (Montero)
6 mm Bolt ............................................. 53.1 (9)\
Rocker Arms & Camshafts
Rocker Cover Bolt ....................................... 31 (3.5)\
Thrust Case Bolt ...................................... 115.1 (13)\
Timing Belt
Camshaft Position (CMP) Sensor (Montero) ................ 79.6 (\
9)
Crankshaft Position (CKP) Sensor ........................ 79.6 (9\
)
( 1) - Tighten cylinder head bolts in 2 or 3 steps with engine cold.
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ENGINE SPECIFICATIONS
GENERAL SPECIFICATIONS
GENERAL SPECIFICATIONS\
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Application Specification
Displacement .................................. 213.4 Cu. In. (3.5L)\
Bore ............................................... 3.6614" (93 mm)\

Page 26 of 1501

$MITSUBISHI MONTERO 1998 Service Manual �\ \ \ \ \ \ \ ABBREVIATION DEFINITION$

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ABBREVIATION DEFINITION

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B/P Backpressure

BAC By-Pass Air Control

BAP Barometric Absolute Pressure Sensor

BARO Barometric

BBDC Before Bottom Dead Center

BCM Body Control Module

BDC Bottom Dead Center

BHP Brake Horsepower

BLK Black

BLU Blue

BMAP Barometric & Manifold Absolute Pressure Sensor

BOO Brake On-Off Switch

BP Barometric Pressure sensor

BPS Barometric Pressure Sensor

BPT Backpressure Transducer

BRN Brown

BTDC Before Top Dead Center

BTU British Thermal Unit

BVSV Bimetallic Vacuum Switching Valve

Baro. Barometric

Batt. Battery

Bbl. Barrel (Example: 4-Bbl.)

Blst. Ballast

Blwr. Blower

Brkr. Breaker

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"C" ABBREVIATION TABLE
"C" ABBREVIATION TABLE\
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ABBREVIATION DEFINITION

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C Celsius (Degrees)

C(3) I Computer Controlled Coil Ignition

C(4) Computer Controlled Catalytic Converter

CANP Canister Purge solenoid

CARB California Air Resources Board

CAT Catalytic Converter

CB Circuit Breaker

CBD Closed Bowl Distributor

CBVV Carburetor Bowl Vent Valve

cc Cubic Centimeter

CCC Computer Command Control

CCD Computer Controlled Dwell

CCM Central Control Module

CCO Converter Clutch Override

CCOT Cycling Clutch Orifice Tube

CCW Counterclockwise

CDI Capacitor Discharge Ignition

CEC Computerized Engine Control

CFI Central Fuel Injection

CID Cubic Inch Displacement

CID Cylinder Identification sensor

CIS Continuous Injection System

CIS-E Continuous Injection System-Electronic

CKT Circuit

CLR Clear

CNG Compressed Natural Gas

Page 28 of 1501

$MITSUBISHI MONTERO 1998 Service Manual \ \b\ \ \ \ \ \ EAC Electric Assist Choke$

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EAC Electric Assist Choke

EACV Electric Air Control Valve

EBCM Electronic Brake Control Module

ECA Electronic Control Assembly

ECAT Electronically Controlled Automatic Transaxle

ECM Electronic Control Module

ECT Engine Coolant Temperature Sensor

ECU Electronic Control Unit or Engine Control Unit

EDF Electric Drive Fan relay assembly

EDIS Electronic Distributorless Ignition System

EEC Electronic Engine Control

EECS Evaporative Emission Control System

EEPROM Electronically Erasable PROM

EFE Early Fuel Evaporation

EFI Electronic Fuel Injection

EGO Exhaust Gas Oxygen sensor (see HEGO)

EGR Exhaust Gas Recirculation system

EGRC EGR Control solenoid or system

EGRV EGR Vent solenoid or system

EMR Emission Maintenance Reminder Module

ESA Electronic Spark Advance

ESC Electronic Spark Control

EST Electronic Spark Timing

ETR Emergency Tensioning Retractor

EVAP Fuel Evaporative System

EVIC Electronic Vehicle Information Center

EVO Electronic Variable Orifice

EVP EGR Valve Position Sensor

EVR EGR Valve Regulator

EVRV Electronic Vacuum Regulator Valve

Elect. Electronic

Eng. Engine

Evap. Evaporative

Exc. Except

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"F" ABBREVIATION TABLE
"F" ABBREVIATION TABLE\
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ABBREVIATION DEFINITION

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F Fahrenheit (Degrees)

F/B Fuse Block

FBC Feedback Carburetor

FI Fuel Injector or Fuel Injection

FICD Fast Idle Control Device

FIPL Fuel Injector Pump Lever

FP Fuel Pump

FPM Fuel Pump Monitor

FPR-VSV Fuel Pressure Regulator Vacuum Switching Valve

FWD Front Wheel Drive

Fed. Federal

Ft. Lbs. Foot Pounds

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"G" ABBREVIATION TABLE
"G" ABBREVIATION TABLE\
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ABBREVIATION DEFINITION

Page 31 of 1501

MITSUBISHI MONTERO 1998 Service Manual mm Millimeters

M/T Manual Transaxle or Transmission

MA PFI Mass Air Sequential Port Fuel Injecti

mm Millimeters

M/T Manual Transaxle or Transmission

MA PFI Mass Air Sequential Port Fuel Injection system

MA or MAF Mass Airflow

MAF Mass Air Flow sensor

MAFS Mass Airflow Sensor

MAP Manifold Absolute Pressure sensor

MAT Manifold Air Temperature

MCU Microprocessor Control Unit

MCV Mixture Control Valve

MEM-CAL Memory Calibration Chip

MFI Multiport Fuel Injection

MIL Malfunction Indicator Light

MLP Manual Lever Position

MPFI Multi Point Fuel Injection

MPH Miles Per Hour

MPI Multi-Point (Fuel) Injection

Man. Manual

Mech. Mechanical

Mem. Memory

Mtr. Motor

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"N" ABBREVIATION TABLE
"N" ABBREVIATION TABLE\
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N.m Newton-Meter

NA Not Available

NDS Neutral Drive Switch

NGS Neutral Gear Switch

NOx Oxides of Nitrogen

NPS Neutral Pressure Switch

No. Number

Nos. Numbers

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"O" ABBREVIATION TABLE
"O" ABBREVIATION TABLE\
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ABBREVIATION DEFINITION

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O Oxygen

O.D. Outside Diameter

O/S Oversize

O2 Oxygen

OC Oxidation Catalyst

OCC Output Circuit Check

OD Overdrive

ODO Odometer

OHC Overhead Camshaft

ORG Orange

OSC Output State Check

Opt. Option or Optional

oz. Ounce

ozs. Ounces

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Page 32 of 1501

$MITSUBISHI MONTERO 1998 Service Manual "P" ABBREVIATION TABLE "P" ABBREVIATION TABLE�\ \ \ \ \ \ \$

"P" ABBREVIATION TABLE
"P" ABBREVIATION TABLE\
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ABBREVIATION DEFINITION

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"P" Park

P/C Printed Circuit

P/N Park/Neutral

P/S Power Steering

PAV Pulse Air Valve

PC-SOL Purge Control Solenoid

PCM Powertrain Control Module

PCS Purge Control Solenoid

PCSDM Passenger Compartment Sensor/Diagnostic Module

PCV Positive Crankcase Ventilation

PFE Pressure Feedback EGR sensor or circuit

PFI Port Fuel Injection (see MA SEFI)

PGM-CARB Programmed Carburetor

PGM-FI Programmed Fuel Injection

PIP Profile Ignition Pickup

PNK Pink

PPL Purple

PRNDL Park Reverse Neutral Drive Low

PROM Programmable Read-Only Memory

psi Pounds Per Square Inch

PSPS Power Steering Pressure Switch

PTC Positive Temperature Coefficient

PTO Power Take-Off

PWR GND Power Ground circuit

Pkg. Package

Press. Pressure

Prog. Programmed or Programmable

Pts. Pints

Pwr. Power

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"Q" ABBREVIATION TABLE
"Q" ABBREVIATION TABLE\
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ABBREVIATION DEFINITION

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Qts. Quarts

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"R" ABBREVIATION TABLE
"R" ABBREVIATION TABLE\
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ABBREVIATION DEFINITION

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RABS Rear Anti-Lock Brake System

RAC Remote Accessory Control

RAM Random Access Memory

RAP Retained Accessory Power

RECIRC Recirculation

RED Red

RH Right Hand

ROM Read Only Memory

RPM Revolutions Per Minute

Page 255 of 1501

$MITSUBISHI MONTERO 1998 Service Manual ��\ ��\ ��\ ��\ ��\ ��\ �� Application ( 1) Basic ( 2) ( 3) ( 4) Actual$

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Application ( 1) Basic ( 2) ( 3) ( 4) Actual
1.5L ............. 2-78@ 650-750 .......... 10 @ 600-800
1.8L ............. 2-8 @ 600-800 ........... 5 @ 600-800
2.0L
Non-Turbo ........... ( 5) ........................ ( 5)
Turbo .......... 2-8 @ 650-850 ........... 8 @ 650-850
2.4L ............. 2-8 @ 650-850 .......... 10 @ 650-850
3.0L ............. 2-8 @ 600-800 .......... 15 @ 600-800
3.5L ............. 2-8 @ 600-800 .......... 15 @ 600-800
( 1) - With ignition timing adjustment connector grounded or
vacuum hose (farthest from distributor) disconnected.
( 2) - With ignition timing adjustment connector ungrounded
or vacuum hose (farthest from distributor) connected.
( 3) - If vehicle altitude is more than 2300 feet above sea
level, actualtiming may be advanced (5 degrees).
( 4) - Actual ignition timing is approximate and may
fluctuate plus or minus 7 degrees.
( 5) - Ignition timing is NOT adjustable.
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FUEL SYSTEM
FUEL PUMP
REGULATED FUEL PRESSURE TABLE\
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At Idle w/Vacuum At Idle w/o Vacuum
Application psi (kg/cm) psi (kg/cm)
Eclipse 2.0L
Non-Turbo ............ ( 1) ........... 47-50 (3.3-3.5)
Turbo ............. 33 (2.3) ......... 42-45 (3.0-3.5)
3000GT Turbo ........ 34 (2.4) ......... 43-45 (3.0-3.1)
All Other Models .... 38 (2.7) ......... 47-50 (3.3-3.5)
( 1) - Information is not available from manufacturer at time
of publication.
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IDLE SPEED
IDLE SPEED SPECIFICATIONS TABLE\
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Application Curb Idle Basic Idle
1.5L & 1.8L ............ 600-800 ............... 650-750
2.0L
Non-Turbo ............ 700-900 ................... ( 1)
Turbo ................ 650-850 ............... 700-800
2.4L ................... 650-850 ............... 700-800
3.0L & 3.5L ............ 600-800 ............... 650-750
( 1) - Information is not available from manufacturer at time
of publication.
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INJECTOR RESISTANCE
INJECTOR RESISTANCE TABLE

Page 455 of 1501

MITSUBISHI MONTERO 1998 Service Manual E - THEORY/OPERATION
1998 Mitsubishi Montero
1998 ENGINE PERFORMANCE
Mitsubishi - Theory & Operation
Diamante, Eclipse, Galant, Mirage, Montero, Montero Sport,
3

E - THEORY/OPERATION
1998 Mitsubishi Montero
1998 ENGINE PERFORMANCE
Mitsubishi - Theory & Operation
Diamante, Eclipse, Galant, Mirage, Montero, Montero Sport,
3000GT
INTRODUCTION
This article covers basic description and operation of engine
performance-related systems and components. Read this article before
diagnosing vehicles or systems with which you are not completely
familiar.
AIR INDUCTION SYSTEM
NON-TURBOCHARGED ENGINES
Mirage equipped with 1.5L engine uses a Manifold Absolute
Pressure (MAP) sensor instead of a Volume Airflow (VAF) sensor.
Filtered air is ducted to a plenum-mounted throttle body.
All other models use same basic air induction system using a
remote air filter (with VAF sensor) connected to a plenum-mounted
throttle body.
TURBOCHARGED ENGINES
In addition to basic air induction system, turbocharging
system components include turbocharger(s), charge air cooler(s), air\
by-pass valve(s), wastegate actuator(s), wastegate control solenoid
valve(s) and intake duct(s).
Wastegate Control Solenoid Valve(s)
Powertrain Control Module (PCM) energizes solenoid valve(s)\
,
controlling bleed-off rate of turbocharger pressure by wastegate
actuator(s).
COMPUTERIZED ENGINE CONTROLS
Sequential Fuel Injection (SFI) is a computerized engine
control system, which controls fuel injection, ignition timing, idle
speed and emission control systems.
POWERTRAIN CONTROL MODULE (PCM)
PCM, also known as Engine Control Module (ECM), receives and
processes signals from input devices. Operating conditions such as
cold starting, altitude, acceleration and deceleration affect input
device signals. Based on signals received, PCM sends signals to
various components, which control fuel injection, ignition timing,
idle speed and emission control systems. For PCM location, see
PCM LOCATION table.
PCM LOCATION TABLE
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Application Location
Eclipse 2.0L Non-Turbo .......... In Front of Left Front Strut Tower

Page 456 of 1501

$MITSUBISHI MONTERO 1998 Service Manual Mirage & Montero Sport ... Behind Right Side Of Instrument Panel (Glove Box)\ Montero ..................................... Right Front Kick Panel All Others ...................................$

Mirage &
Montero Sport ... Behind Right Side Of Instrument Panel (Glove Box)\
Montero ..................................... Right Front Kick Panel
All Others ................................... Behind Center Console
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NOTE: Components are grouped into 2 categories. The first category
covers INPUT DEVICES, which control or produce voltage
signals monitored by Powertrain Control Module (PCM). The
second category covers OUTPUT SIGNALS, which are components
controlled by PCM.
INPUT DEVICES
Vehicles are equipped with different combinations of input
devices. Not all input devices are used on all models. To determine
input device usage on specific models, see appropriate wiring diagram
in L - WIRING DIAGRAMS article. The following are available input
devices.
Air Conditioning Switch
When A/C is turned on, signal is sent to PCM. With engine at
idle, PCM increases idle speed through Idle Air Control (IAC) motor.
Airflow Sensor Assembly
Assembly is mounted inside air cleaner, and incorporates
barometric pressure sensor, intake air temperature sensor and volume
airflow sensor.
Barometric (BARO) Pressure Sensor
Sensor is incorporated into airflow sensor assembly. Sensor
converts barometric pressure to electrical signal, which is sent to
PCM. PCM adjusts air/fuel ratio and ignition timing according to
altitude.
Camshaft Position (CMP) Sensor
On SOHC engines equipped with a distributor, CMP sensor is
located in distributor. On Eclipse (Turbo) and DOHC V6 engines, sensor\
is located beside camshaft, in front of engine. On all other engines,
CMP sensor is a separate unit mounted in place of distributor. PCM
determines TDC based on pulse signals received from sensor, and then
controls MFI timing.
Closed Throttle Position (CTP) Switch
CTP switch is located in the Throttle Position (TP) sensor.
PCM senses whether accelerator pedal is depressed or not. High voltage
(open) or low voltage (closed) signal is input to PCM, which then
controls Idle Air Control (IAC) motor based on input signal.
Crankshaft Position (CKP) Sensor
CKP sensor is located in distributor on SOHC engines, except
1.5L 4-cylinder with California emissions. On DOHC 4-cylinder, DOHC V6
and 1.5L 4-cylinder engines with California emissions, CKP sensor is
located beside crankshaft, in front of engine. PCM determines
crankshaft position on pulse signals received from sensor, and then
controls MFI timing and ignition timing.
Engine Coolant Temperature (ECT) Sensor
ECT sensor converts coolant temperature to electrical signal
for use by PCM. PCM uses coolant temperature information to control
fuel enrichment when engine is cold.
Heated Oxygen Sensor (HO2S)

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