NO.16 HIGH OIL CONSUMPTION/LEAKAGE [MZI-3.7]
id0103d2802200
16 |
HIGH OIL CONSUMPTION/LEAKAGE |
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DESCRIPTION
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• Oil consumption is excessive.
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POSSIBLE CAUSE
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• PCV valve malfunction
• Improper dipstick
• Improper engine oil viscosity
• Engine internal parts malfunction
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Diagnostic procedure
STEP |
INSPECTION |
RESULTS |
ACTION |
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1
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Inspect the PCV valve with it installed.
Is the PCV valve normal?
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Yes
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Go to the next step.
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No
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Replace the PCV valve.
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2
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Inspect for the following:
• External leakage
• Proper dipstick
• Proper engine oil viscosity
Are all items normal?
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Yes
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Inspect the internal engine parts such as valves, valve guides, valve stem seals, cylinder head drain passage, and piston rings.
Repair or replace the malfunctioning part according to the inspection results.
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No
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Repair or replace the malfunctioning part according to the inspection results.
Repeat Step 2.
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3
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• Verify test results.
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