NO.16 HIGH OIL CONSUMPTION/LEAKAGE [L3]
BME010300000W18
16
HIGH OIL CONSUMPTION/LEAKAGE
DESCRIPTION
Oil consumption is excessive.
POSSIBLE CAUSE
• PCV valve malfunction
• Improper dipstick
• Improper engine oil viscosity
• Engine internal parts malfunction
Diagnostic procedure
STEP
INSPECTION
RESULTS
ACTION
1
Remove and shake PCV valve.
Does PCV valve rattle?
Yes
Go to next step.
No
Replace PCV valve.
2
Inspect for following:
• External leakage
• Proper dipstick
• Proper engine oil viscosity
Are all items okay?
Yes
Inspect internal engine parts such as valves, valve guides, valve stem seals, cylinder head drain passage, and piston rings.
No
Service as necessary.
Repeat Step 2.
3
Verify test results.
• If okay, return to diagnostic index to service any additional symptoms.
• If malfunction remains, replace PCM.