Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Mitsubishi Eclipse & Spyder 2000-2006 Approved Mitsubishi Eclipse & Spyder 2000-2002 13B
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13B-1
GROUP 13B
MULTIPORT FUEL
INJECTION (MFI)
<3.0L ENGINE>
CONTENTS
GENERAL INFORMATION . . . . . . . . 13B-2 FUEL PUMP CONNECTOR DISCONNECTION
(HOW TO REDUCE PRESSURIZED FUEL LINES)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13B-556
MULTIPORT FUEL INJECTION (MFI)
FUEL PUMP OPERATION CHECK . . . . . . 13B-556
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . 13B-4
MULTIPORT FUEL INJECTION (MFI) RELAY
TROUBLESHOOTING STRATEGY . . . . . . 13B-4
AND FUEL PUMP RELAY CONTINUITY
TROUBLE CODE DIAGNOSIS. . . . . . . . . . 13B-4 CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13B-556
FAIL-SAFE/BACKUP FUNCTION TABLE . 13B-17 INTAKE AIR TEMPERATURE SENSOR
DIAGNOSTIC TROUBLE CODE CHART . . 13B-18 CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13B-556
SYMPTOM CHART. . . . . . . . . . . . . . . . . . . 13B-21 ENGINE COOLANT TEMPERATURE
DIAGNOSTIC TROUBLE CODE SENSOR CHECK . . . . . . . . . . . . . . . . . . . . 13B-556
PROCEDURES. . . . . . . . . . . . . . . . . . . . . . 13B-24 THROTTLE POSITION SENSOR CHECK . 13B-557
SYMPTOM PROCEDURES . . . . . . . . . . . . 13B-411 HEATED OXYGEN SENSOR CHECK . . . . 13B-557
DATA LIST REFERENCE TABLE . . . . . . . 13B-517 INJECTOR CHECK . . . . . . . . . . . . . . . . . . . 13B-560
ACTUATOR TEST REFERENCE TABLE. . 13B-529 IDLE AIR CONTROL MOTOR
CHECK AT THE ENGINE CONTROL MODULE (STEPPER MOTOR) CHECK . . . . . . . . . . . 13B-560
(ECM) OR POWERTRAIN CONTROL EVAPORATIVE EMISSION PURGE
MODULE (PCM) . . . . . . . . . . . . . . . . 13B-531 SOLENOID CHECK . . . . . . . . . . . . . . . . . . 13B-560
INSPECTION PROCEDURE USING AN EGR SOLENOID CHECK . . . . . . . . . . . . . . 13B-560
OSCILLOSCOPE . . . . . . . . . . . . . . . . . . . . 13B-536
INJECTOR . . . . . . . . . . . . . . . . . . . . . 13B-561
SPECIAL TOOLS. . . . . . . . . . . . . . . . 13B-546 REMOVAL AND INSTALLATION . . . . . . . . 13B-561
ON-VEHICLE SERVICE. . . . . . . . . . . 13B-547 THROTTLE BODY ASSEMBLY . . . . . 13B-563
COMPONENT LOCATION . . . . . . . . . . . . . 13B-547 REMOVAL AND INSTALLATION . . . . . . . . 13B-563
THROTTLE BODY (THROTTLE VALVE DISASSEMBLY AND ASSEMBLY . . . . . . . 13B-565
AREA) CLEANING . . . . . . . . . . . . . . . . . . . 13B-551
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 13B-566
THROTTLE POSITION SENSOR
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . 13B-552
SPECIFICATIONS . . . . . . . . . . . . . . . 13B-567
BASIC IDLE SPEED ADJUSTMENT . . . . . 13B-552
FASTENER TIGHTENING
FUEL PRESSURE TEST . . . . . . . . . . . . . . 13B-554
SPECIFICATION . . . . . . . . . . . . . . . . . . . . . 13B-567
GENERAL SPECIFICATIONS . . . . . . . . . . 13B-567
SERVICE SPECIFICATIONS . . . . . . . . . . . 13B-568
SEALANT . . . . . . . . . . . . . . . . . . . . . . . . . . 13B-568
13B-2 MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
GENERAL INFORMATION
.
G ENER A L IN FO R M ATIO N
M1131000100132
The Multiport Fuel Injection System consists of addition, when the air conditioning switch is turned
sensors which detect the engine conditions, the off and on while the engine is idling, the IAC motor
ENGINE CONTROL MODULE (ECM) / adjusts the throttle valve bypass air amount
POWERTRAIN CONTROL MODULE (PCM) according to the engine load conditions to avoid
which controls the system based on signals from fluctuations in the engine speed.
these sensors, and actuators which operate under
the control of the ECM /PCM . The ECM IGNITION TIMING CONTROL
/PCM carries out activities such as fuel The ignition power transistor located in the ignition
injection control, idle air control, and ignition timing primary circuit turns ON and OFF to control the
control. In addition, the ECM /PCM is primary current flow to the ignition coil. This controls
equipped with several diagnostic test modes which the ignition timing to provide the optimum ignition
simplify troubleshooting when a problem develops. timing with respect to the engine operating
conditions. The ignition timing is determined by the
FUEL INJECTION CONTROL ECM /PCM from engine speed, intake
The injector drive times and injector timing are air volume, engine coolant temperature, and
controlled so that the optimum air/fuel mixture is atmospheric pressure.
supplied to the engine to correspond to the
continually-changing engine operation conditions. A DIAGNOSTIC TEST MODE
single injector is mounted at the intake port of each ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo