2000 MITSUBISHI MONTERO Oil

GDI -Troubleshooting 13A-179
OK
Check the following items in that order.
DCheck the sparkplug
DCheck the compression pressure
DCheck if foreign materials (water, kerosine,etc.) got into
fuel.
OK
MUT-
IIData list
68 EGR valve (Refer to P.13A-198.)NGCheck the EGR valve system (Refer to P.13A-196, Inspection
procedure 35.)
OK
MUT-
IIData list
28 A/C switch (Refer to P.13A-198.)NGCheck the A/C switch and A/C relay system
(Refer to P.13A-194, Inspection procedure 31.)
OK
MUT-
IIData list
27 Power steering oil pressure switch (Refer to P.13A-198.)NGCheck the power steering oil pressure switch system (Refer to
P.13A-194, Inspection procedure30.)
From the previouspage
NO
Check the ignition timing. (Refer to GROUP 11A - Engine
Adjustment.)OKCheck that the crankanglesensor andtiming beltcover are
properly installed.
NG
Check ignition coil spark for each cylinder.
1. Remove the ignition coil.
2. Install a new sparkplug to the removed ignitioncoil.
3. Disconnect the injector intermediate connector.
Caution
Never touch the connector terminal as approx. 100 V is
applied to the injector, or you are seriously injured.
4. Earth the sparkplug electrodesecurely.
5. Check that the sparkplug igniteswhen theengine is
cranked.NGReplace the ignition coil.
OK
MUT-
IIData list
14 Throttle position sensor (2nd channel)
After warming-up, let theengine run at idlingwith no load.
OK:
3,900 - 4,800 mVNGDClean around the throttle valve. (Refer to P.13A-220)
DAdjust the throttle position sensor (Refer to P.13A-220.)
OK
MUT-
IIData list
34 Air flow sensor reset signal (Refer to P.13A-198.)NGCheck the air flow sensor system
(Refer to P.13A-133, code No.12.)
OK
Does theenginestall right after the acceleratorpedal is
released?YESClean around the throttle valve. (Refer to P.13A-220.)
OK
MUT-
IIData list
31 Small lampswitch (Refer to P.13A-198.)NGCheck the smalllampswitch system (Refer to P.13A-195,
Inspection procedure 33.)


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GDI -Troubleshooting 13A-180
Inspection procedure 11
The engine stalls when starting the car. (Pass out)
Probable cause
In cases such as the above, the cause is probably misfiring due to a weak
spark, or an inappropriate air/fuel mixture when the acceleratorpedal is
depressed.DMalfunction of the ignition system
DMalfunction of the EGR valve
DAir stuck in the air intake system
OK
MUT-
IIActuator Test
08 Purge control solenoid valve (Refer to P.13A-203.)NGCheck the purge control solenoid valve system
(Refer to P.13A-197, Inspection procedure 36.)
NO
MUT-
IIData list
68 EGR valve (Refer to P.13A-198)NGCheck the EGR valve system (Refer to P.13A-196, Inspection
procedure 35.)
MUT-
IISelf-Diag Code
Is a diagnosis code set?YESRefer to P.13A-130, INSPECTION CHART FOR DIAGNOSIS
CODES.
OK
Check the following items in that order.
DCheck the sparkplug
DCheck that air is sucked in the air intake system.
DBroken intakemanifoldgasket
DDamaged or disconnected vacuum hose
DDamaged air intake hose
OK
Check ignition coil spark for each cylinder.
1. Remove the ignition coil.
2. Install a new sparkplug to the removed ignitioncoil.
3. Disconnect the injector intermediate connector.
Caution
Never touch the connector terminal as approx. 100 mV is
applied to the injector, or you are seriously injured.
4. Earth the sparkplug electrodesecurely.
5. Check that the sparkplug igniteswhen theengine is
cranked.NGReplace the ignition coil.


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GDI -Troubleshooting 13A-181
Inspection procedure 12
The engine stalls when decelerating.
Probable cause
The cause is probably an improper air/fuel ratio due to a faulty EGR system, or
poor intake air volume due to a faulty electronic-controlled throttle valve system.DMalfunction of the electronic-controlled throttle
valve system
DMalfunction of the EGR valve
OK
Check the following items in that order.
DCheck the sparkplug
DClean around the throttle valve. (Refer to P.13A-220.)
DAdjust the throttle position sensor (Refer to P.13A-220.)
OK
Check ignition coil spark for each cylinder.
1. Remove the ignition coil.
2. Install a new sparkplug to the removed ignitioncoil.
3. Disconnect the injector intermediate connector.
Caution
Never touch the connector terminal as approx. 100 V is
applied to the injector, or you are seriously injured.
4. Earth the sparkplug electrodesecurely.
5. Check that the sparkplug igniteswhen theengine is
cranked.NGReplace the ignition coil.
NO
MUT-
IIData list
68 EGR valve (Refer to P.13A-198.)NGCheck the EGR valve system (Refer to P.13A-196, Inspection
procedure 35.)
OK
Check the vehicle speed sensor system
(Refer to P.13A-144, code No.24.)NGRepair
OK
MUT-
IIData list
79 Throttle position sensor (1st channel) (Refer to P.13A-198.)NGCheck the throttle valve position feedback system
(Refer to P.13A-162, code No.P92)
NO
MUT-
IIData list
26 Acceleratorpedal positionswitch (Refer to P.13A-198.)NGCheck the acceleratorpedal positionswitch system.
(Refer to P.13A-192, Inspection procedure 28)
NO
MUT-
IISelf-Diag Code
Is a diagnosis code set?YESRefer to P.13A-130, INSPECTION CHART FOR DIAGNOSIS
CODES.
Has the batterybeen disconnectedrecently?YESAfter warming-up, let theengine run at idling for 10 minutes.


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GDI -Troubleshooting 13A-183
OK
Check the following items in that order.
DCheck the sparkplug
DCheck the EGR control system
DCheck the compression pressure
DCheck the fuel filter or fuelline for clogging
OK
Check ignition coil spark for each cylinder.
1. Remove the ignition coil.
2. Install a new sparkplug to the removed ignitioncoil.
3. Disconnect the injector intermediate connector.
Caution
Never touch the connector terminal as approx. 100 V is
applied to the injector, or you are seriously injured.
4. Earth the sparkplug electrodesecurely.
5. Check that the sparkplug igniteswhen theengine is
cranked.NGReplace the ignition coil.
OK
Measure fuel high-pressure between the fuel pump (high
pressure) and injector. (Refer to P.13A-222.)NGRepair
From the previouspage
Check the trouble symptoms.Replace the injector. NG
OK
MUT-
IIActuator Test
08 Purge control solenoid valve
(Refer to P.13A-203.)NGCheck the purge control solenoid valve system
(Refer to P.13A-197, Inspection procedure 36.)
Inspection procedure 14
The feeling of impact or vibration when accelerating
Probable cause
In cases such as the above, the cause is probably that there is an ignition leak
accompanying the increase in the sparkplug demand voltage during
acceleration.DMalfunction of the ignition system
Replace the ignition coil.
NG
OK
Check the trouble symptoms.
OK
Check the sparkplugNGReplace
NO
MUT-
IIData list
79 Throttle position sensor (1st channel) (Refer to P.13A-198.)NGCheck the throttle valve position feedback system
(Refer to P.13A-162, code No.92.)
MUT-
IISelf-Diag Code
Is a diagnosis code displayed?YESRefer to P.13A-130, INSPECTION CHART FOR DIAGNOSIS
CODES.


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GDI -Troubleshooting 13A-185
Inspection procedure 18
Too high CO and HC concentration when idling
Probable cause
Abnormal air-fuel ratio is suspected.DMalfunction of the air/fuel ratio control system
DDeteriorated catalyst
OK
To the nextpage
NG
Replace the ignition coil.
OK
Check ignition coil spark for each cylinder.
1. Remove the ignition coil.
2. Install a new sparkplug to the removed ignitioncoil.
3. Disconnect the injector intermediate connector.
Caution
Never touch the connector terminal as approx. 100 V is applied to the injector, or you are seriously injured.
4. Earth the sparkplug electrodesecurely.
5. Check that the sparkplug igniteswhen theengine iscranked.NG
NG
Measure fuel high -pressure between the fuelpump (high
pressure) and injector. (Refer to P.13A-223.)
Check the trouble symptoms.
OK
MUT-
IIData list
11 Oxygen sensor (Refer to P.13A-198.)
OK:
Repeat 0 - 400 mV and 600 - 1,000 mV alternately
during idling(wait for at least 2 minutes after the
enginestarted to run at idle).OKReplace the oxygen sensor.
OK
MUT-
IIData list
11 Oxygen sensor (Refer to P.13A-198.)
OK:
600 - 1,000 mV when theengine is suddenlyracedNGCheck the oxygen sensor system. (Refer to P.13A-131, code
No.11.)
OK
MUT-
IIActuator Test
08 Purge control solenoid valve
(Refer to P.13A-203.)NGCheck the purge control solenoid valve system
(Refer to P.13A-197, Inspection procedure 36.)
OK
MUT-
IIData list
68 EGR valve (Refer to P.13A-198.)NGCheck the EGR valve system (Refer to P.13A-196, Inspection
procedure 35.)
OK
MUT-
IIData list
25 Barometric pressure sensor (Refer to P.13A-198.)NGCheck the barometric pressure sensor system (Refer to
P.13A-145, code No.25.)
OK
MUT-
IIData list
13 Intake air temperature sensor (Refer to P.13A-198.)NGCheck the intake air temperature sensor system (Refer to
P.13A-135, code No.13.)
OK
MUT-
IIData list
21 Engine coolant temperature sensor (Refer to P.13A-198.)NGCheck theengine coolant temperaturesensor system (Refer
to P.13A-138, code No.21.)
NO
Check the ignition timing. (Refer to GROUP 11A - Engine
Adjustment.)NGCheck that the crankanglesensor andtiming beltcover are
properly installed.
MUT-
IISelf-Diag Code
Are diagnosis codes displayed?YESRefer to P.13A-130, INSPECTION CHART FOR DIAGNOSIS
CODES.


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GDI -Fuel Pump (High Pressure)13A-241
"
CA
O-RING/FUEL PRESSURE HOSE INSTALLATION
1. Apply a small amount of fresh engine oil to the O-ring.
Caution
Take care not to let any of the engine oil get inside
the fuel pump (high pressure) or the delivery pipe
assembly.
2. While being careful not to damage the O-ring, turn the
fuel pressure hose to the left and right and connect it
to the delivery pipe assembly. After connecting, check
that the fuel injector turns smoothly.
3. If the fuel pressure hose does not turn smoothly, the cause
may be that the O-ring is getting caught. Remove the fuel
pressure hose, check the O-ring for damage and
re-connect the fuel pressure hose to the delivery pipe
assembly and then re-check.


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DIESEL FUEL <4M4> -Troubleshooting13C-26
Inspection procedure 5
No initial combustion (unable to start)
Probable cause
Probable causes can be found in troubles with control system, injectionpump,
glow system, and power supply system.DControl system inoperative
DInjection pump inoperative
DGlow system inoperative
DEngine-ECU inoperative
NG
Repair
MUT-
IISelf-Diag code
Is a diagnosis code output?YESInspection chart for diagnosis codes (Refer to P.13C-7.)
NO
Conduct MUT-IIData list check and an actuator test. (Refer
to P.13C-30, 37.)OKCheck the following items in order:
DGlow plug, glowplugrelay
DBattery
DInjection nozzle
DInjection pump
DCompression pressure
DExistence of mixing foreign objects (water, kerosene) with
the fuel
Inspection procedure 6
Starting performance is bad when the engine is cold
(unable to start)
Probable cause
Probable causes can be found in troubles with control system, injectionpump,
fuel system, intake system, and glow system.DControl system inoperative
DInjection pump inoperative
DFuel system inoperative
DIntake system inoperative
DGlow system inoperative
DEngine-ECU inoperative
NG
Repair
MUT-
IISelf-Diag code
Is a diagnosis code output?YESInspection chart for diagnosis codes (Refer to P.13C-7.)
NO
Conduct MUT-IIData list check and an actuator test. (Refer
to P.13C-32, 37)OKInspect the following items in order:
DGlow plug, glowplugrelay
DInjection nozzle, fuel filter
DThrottle body assembly
DExistence of starter switch signal input
DEngine oil
DInjection pump
DExistence of mixing foreign objects (water, kerosene) with
the fuel
Inspection procedure 7
Starting performance is bad regardless of whether the
engine is hot or cold (unable to start)
Probable cause
Probable causes can be found in troubles with control system, injectionpump,
fuel system, and intake system.DControl system inoperative
DInjection pump inoperative
DFuel system inoperative
DIntake system inoperative
DEngine-ECU inoperative
NG
Repair
MUT-
IISelf-Diag code
Is a diagnosis code output?YESInspection chart for diagnosis codes (Refer to P.13C-7.)
NO
Conduct MUT-IIData list check and an actuator test. (Refer
to P.13C-32, 37.)OKInspect the following items in order:
DInjection nozzle, fuel filter
DThrottle body
DCompression pressure
DInjection pump
DExistence of mixing foreign objects (water, kerosene) with
the fuel


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