1998 ISUZU TROOPER technical data

6E±195 4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
Lubrication System Trouble

 
StepNo Ye s Value(s) Action
111. Check cylinder head & cam carrier gaskets for
damage.
2. If a problem is found, repair or replace as
necessary.
Was a problem found?
ÐVerify repairGo to Step 12
121. Review all diagnostic procedures within this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:

Visual/physical inspection

Tech 2 data

Freeze Frame data/Failure Records butter

All electrical connections within a suspected
circuit and/or system
3. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repair
Contact
Technical
Assistance

6E±196
4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
QOS System Doesn't Work

StepActionValue(s)Ye sNo
1Was OBD System check performed?
ÐGo to Step 2
Go to OBD
System
Check
2Check glawplug indicator light. If bulb is broken,
replace.
Was a problem found?
ÐVerify repairGo to Step 3
31. Connect a circuit tester between glawplug & engine
ground.
2. With ignition on and engine off, check if the glaw
indicator and circuit tester indicate power voltage
for 9 to 13 sec. If not indicated, repair terminal & wire
harness.
Was repair needed?
ÐVerify repairGo to Step 4
41. Connect a circuit tester between glawplug and
engine ground.
2. With engine on, check if voltage continues for 180
sec. If not, inspect and repair glaw relay.
Was repair needed?
ÐVerify repairGo to Step 5
51. Remove the glawplug, and if damaged, replace.
2. Check glawplug resistance.
Was resistance as specified?
0.8 ± 1
Go to Step 7Go to Step 6
6Replace glawplug.
Was measure completed?
ÐVerify repairGo to Step 7
71. Review all diagnostic procedures within this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:

Visual/physical inspection

Tech 2 data

Freeze Frame data/Failure Records butter

All electrical connections within a suspected
circuit and/or system
3. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repair
Contact
Technical
Assistance

6E±197 4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
Much Black Smoke in Exhaust Gas

StepActionValue(s)Ye sNo
1DEFINITION:
In road tests, much black smoke is mixed.
Was OBD System check performed?
ÐGo to Step 2
Go to OBD
System
Check
21. Perform a bulletin research.
2. If a bulletin that addresses the symptom is found,
correct the condition as instructed in the bulletin.
Was a bulletin found?
ÐVerify repairGo to Step 3
31. Check if a correct fuel is used.
2. If a problem is found, change fuel.
Was a problem found?
ÐVerify repairGo to Step 4
41. Check air cleaner element for clogging.
2. If a problem is found, repair or replace as
necessary.
Was a problem found?
ÐVerify repairGo to Step 5
51. Connect Tech 2 to the vehicle.
2. Monitor data list to check injector function.
3. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repairGo to Step 6
61. Connect Tech 2 to the vehicle.
2. Monitor RPCV test to check rpcv function.
3. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repairGo to Step 7
71. Check valve clearance.
2. If a problem is found, adjust as necessary.
Was a problem found?
ÐVerify repairGo to Step 8
81. Review all diagnostic procedures in this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:

Visual/physical check

Tech 2 data list

Freeze Frame data

All electrical connections in suspected circuits
& systems
3. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repair
Contact
Technical
Assistance

6E±198
4JX1±TC ENGINE DRIVEABILITY AND EMISSIONS
Excess Engine Oil Consumption

StepActionValue(s)Ye sNo
1DEFINITION:
Oil consumption measured in road tests is higher than
expected.
Was OBD System check performed?
ÐGo to Step 2
Go to OBD
System
Check
21. Perform a bulletin research.
2. If a bulletin that addresses the symptom is found,
correct the condition as instructed in the bulletin.
Was a bulletin found?
ÐVerify repairGo to Step 3
31. Check if a correct engine oil is used.
2. If a problem is found, change engine oil.
Was a problem found?
ÐVerify repairGo to Step 4
41. Check oil pipe connections for leakage.
2. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repairGo to Step 5
51. Check oil seals and gaskets for leakage.
2. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repairGo to Step 6
61. Connect Tech 2 to the vehicle.
2. Perform RPCV test to check its function.
3. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repairGo to Step 7
71. Check piston ring for damage & groove wear.
2. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repairGo to Step 8
81. Check valve stem, valve guide and oil controller for
wear.
2. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repairGo to Step 9
91. Check camshaft carrier & cylinder head gaskets for
blow-by.
2. If a problem is found, repair or replace as
necessary.
Was a problem found?
ÐVerify repairGo to Step 10
101. Review all the diagnostic procedures in this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:

Visual/physical check

Tech 2 data list

Freeze Frame data

All electrical connections in suspected circuits
& systems
3. If a problem is found, repair as necessary.
Was a problem found?
ÐVerify repair
Contact
Technical
Assistance