Opel Frontera UBS. Manual - part 2470

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