Opel Frontera UBS. Service manual — part 1400
6E–194
4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Lubrication System Trouble
Step
Action
Value(s)
Yes
No
1
DEFINITION:
In road tests oil pressure doesn’t rise, or oil is foul to
excess.
Was OBD System check performed?
—
Go to
Step 2
Go to
OBD
System
Check
2
1. 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?
—
Verify repair
Go to
Step 3
3
1. Check if a correct engine oil is used.
2. If a problem is found, change engine oil.
Was a problem found?
—
Verify repair
Go to
Step 4
4
1. Check the oil pressure meter for damage.
2. Check the oil unit harness and connector for
damage.
3. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Go to
Step 5
5
1. Check oil pipe connections for leakage.
2. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Go to
Step 6
6
1. Check oil filter for clogging.
2. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Go to
Step 7
7
1. Check valve clearance.
2. If a problem is found, adjust as necessary.
Was a problem found?
—
Verify repair
Go to
Step 8
8
1. Check camshaft bearing for wear.
2. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Go to
Step 9
9
1. Check crankshaft & connecting rod bearings for
wear.
2. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Go to
Step 10
10
1. Check oil pump for damage.
2. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Go to
Step 11
6E–195
4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Lubrication System Trouble
(Cont'd)
Step
No
Yes
Value(s)
Action
11
1. Check cylinder head & cam carrier gaskets for
damage.
2. If a problem is found, repair or replace as
necessary.
Was a problem found?
—
Verify repair
Go to
Step 12
12
1. Review all diagnostic procedures within this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:
D
Visual/physical inspection
D
Tech 2 data
D
Freeze Frame data/Failure Records butter
D
All electrical connections within a suspected
circuit and/or system
3. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Contact
Technical
Assistance
6E–196
4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
QOS System Doesn’t Work
Step
Action
Value(s)
Yes
No
1
Was OBD System check performed?
—
Go to
Step 2
Go to
OBD
System
Check
2
Check glawplug indicator light. If bulb is broken,
replace.
Was a problem found?
—
Verify repair
Go to
Step 3
3
1. 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?
—
Verify repair
Go to
Step 4
4
1. 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?
—
Verify repair
Go to
Step 5
5
1. Remove the glawplug, and if damaged, replace.
2. Check glawplug resistance.
Was resistance as specified?
0.8 – 1
W
Go to
Step 7
Go to
Step 6
6
Replace glawplug.
Was measure completed?
—
Verify repair
Go to
Step 7
7
1. Review all diagnostic procedures within this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:
D
Visual/physical inspection
D
Tech 2 data
D
Freeze Frame data/Failure Records butter
D
All electrical connections within a suspected
circuit and/or system
3. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Contact
Technical
Assistance
6E–197
4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Much Black Smoke in Exhaust Gas
Step
Action
Value(s)
Yes
No
1
DEFINITION:
In road tests, much black smoke is mixed.
Was OBD System check performed?
—
Go to
Step 2
Go to
OBD
System
Check
2
1. 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?
—
Verify repair
Go to
Step 3
3
1. Check if a correct fuel is used.
2. If a problem is found, change fuel.
Was a problem found?
—
Verify repair
Go to
Step 4
4
1. Check air cleaner element for clogging.
2. If a problem is found, repair or replace as
necessary.
Was a problem found?
—
Verify repair
Go to
Step 5
5
1. 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?
—
Verify repair
Go to
Step 6
6
1. 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?
—
Verify repair
Go to
Step 7
7
1. Check valve clearance.
2. If a problem is found, adjust as necessary.
Was a problem found?
—
Verify repair
Go to
Step 8
8
1. Review all diagnostic procedures in this table.
2. If all procedures have been completed and no
malfunctions have been found, review/inspect the
following:
D
Visual/physical check
D
Tech 2 data list
D
Freeze Frame data
D
All electrical connections in suspected circuits
& systems
3. If a problem is found, repair as necessary.
Was a problem found?
—
Verify repair
Contact
Technical
Assistance
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