NO.16 HIGH OIL CONSUMPTION/LEAKAGE[LF, L3]
id0103b2802200
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 |
---|---|---|---|
1
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Remove and shake the PCV valve.
Does the PCV valve rattle?
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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 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.
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No
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Service if necessary.
Repeat Step 2.
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||
3
|
Verify test results.
• If normal, return to diagnostic index to service any additional symptoms.
• If malfunction remains, inspect related Service information perform repair or diagnosis.
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