NO.21 HIGH OIL CONSUMPTION/LEAKAGE [SKYACTIV-D 2.2]

id0103g1898800

21

HIGH OIL CONSUMPTION/LEAKAGE

DESCRIPTION

•  Oil consumption is excessive.

POSSIBLE CAUSE

•  PCM DTC is stored.

•  Mechanical (engine) malfunction

―  Improper installation of turbocharger

―  Piston ring malfunction

21	HIGH OIL CONSUMPTION/LEAKAGE
DESCRIPTION	• Oil consumption is excessive.
POSSIBLE CAUSE	• PCM DTC is stored. • Mechanical (engine) malfunction ― Improper installation of turbocharger ― Piston ring malfunction

Diagnostic Procedure

STEP

INSPECTION

RESULTS

ACTION

1

VERIFY PCM DTC

•  Retrieve PCM DTCs using the M-MDS.
(See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].)

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SKYACTIV-D 2.2].)

No

Go to the next step.

2

VERIFY TURBOCHARGER INSTALLATION CONDITION

•  Verify the large-type and small-type turbocharger installation conditions.
(See TURBOCHARGER REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

•  Are the turbocharger installation conditions normal?

Yes

Go to the next step.

No

Install the turbocharger properly, then go to Step 4.

(See TURBOCHARGER REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

3

INSPECT FOR MALFUNCTION DUE TO INTERNAL ENGINE WEAR, DAMAGE

•  Inspect for the following engine internal parts:

―  Cylinder

―  Piston ring

•  Are all items normal?

Yes

Engine internal parts are normal.

•  If other driveability symptoms are present:

―  Return to the diagnostic index to service additional symptoms.
(See SYMPTOM DIAGNOSTIC INDEX [SKYACTIV-D 2.2].)

No

Repair or replace the malfunctioning part according to the inspection results, then go to the next step.

4

Verify the test results.

•  If normal, return to the diagnostic index to service any additional symptoms.
(See SYMPTOM DIAGNOSTIC INDEX [SKYACTIV-D 2.2].)

•  If a malfunction remains, inspect the related Service Information and perform the repair or diagnosis.

―  If the vehicle is repaired, troubleshooting is completed.

―  If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

STEP	INSPECTION	RESULTS	ACTION
1	VERIFY PCM DTC • Retrieve PCM DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [SKYACTIV-D 2.2].)
1		No	Go to the next step.
2	VERIFY TURBOCHARGER INSTALLATION CONDITION • Verify the large-type and small-type turbocharger installation conditions. (See TURBOCHARGER REMOVAL/INSTALLATION [SKYACTIV-D 2.2].) • Are the turbocharger installation conditions normal?	Yes	Go to the next step.
2		No	Install the turbocharger properly, then go to Step 4. (See TURBOCHARGER REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
3	INSPECT FOR MALFUNCTION DUE TO INTERNAL ENGINE WEAR, DAMAGE • Inspect for the following engine internal parts: ― Cylinder ― Piston ring • Are all items normal?	Yes	Engine internal parts are normal. • If other driveability symptoms are present: ― Return to the diagnostic index to service additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [SKYACTIV-D 2.2].)
3		No	Repair or replace the malfunctioning part according to the inspection results, then go to the next step.
4	Verify the test results. • If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [SKYACTIV-D 2.2].) • If a malfunction remains, inspect the related Service Information and perform the repair or diagnosis. ― If the vehicle is repaired, troubleshooting is completed. ― If the vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)