NO.16 HIGH OIL CONSUMPTION/LEAKAGE [WITH CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]

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16

HIGH OIL CONSUMPTION/LEAKAGE
DESCRIPTION
•  Oil consumption is excessive.
POSSIBLE CAUSE
•  Improper oil level gauge
•  Improper engine oil viscosity
•  Oil leakage
•  PCV valve malfunction
•  Engine internal parts malfunction

Diagnostic Procedure

Step

Inspection

Results

Action
1
INSPECT ENGINE OIL AND RELATED PARTS
•  Inspect the following:
―  Proper oil level gauge
―  Proper engine oil viscosity
―  Engine oil level
•  Is there any malfunction?
Yes
Service if necessary.
•  Repeat this step.
No
Go to the next step.
2
INSPECT FOR ENGINE OIL LEAKAGE
•  Inspect for engine oil leakage from the outside of the engine.
•  Is there engine oil leakage?
Yes
Repair or replace the malfunctioning location, then go to Step 4.
No
Go to the next step.
3
DETERMINE IF MALFUNCTION CAUSE IS DUE TO PCV VALVE OR INTERNAL ENGINE MALFUNCTION
•  Inspect the PCV valve.
•  Is the PCV valve normal?
Yes
Inspect for internal engine wear, damage.
•  Cylinder
•  Piston ring
•  Intake/exhaust valve
•  Cylinder head gasket
―  If there is any malfunction:
•  Repair or replace the malfunctioning location, then go to the next step.
No
Replace the PCV valve, then go to the next step.
(See POSITIVE CRANKCASE VENTILATION (PCV) VALVE REMOVAL/INSTALLATION [WITH CYLINDER DEACTIVATION (SKYACTIV-G 2.0, SKYACTIV-G 2.5)].)
4
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Has the malfunction symptom been eliminated?
Yes
Complete the symptom troubleshooting.(Explain repair contents to customer)
No
Repeat the inspection from Step 1.