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NO.16 HIGH OIL CONSUMPTION/LEAKAGE [AJ]

BME010300103221

16 | High oil consumption/leakage
DESCRIPTION | • Oil consumption is excessive.
POSSIBLE CAUSE | • PCV valve malfunction • Improper dipstick • Improper engine oil viscosity • Engine internal part malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | • Remove and shake the PCV valve. • Does the PCV valve rattle? | Yes | Go to the next step.
No | Replace the PCV valve.
2 | • Verify the following:

  - No external leakage
  - Proper dipstick
  - Proper engine oil viscosity

• Are all items normal?
Yes
Inspect internal engine parts such as valves, valve guides, valve stem seals, cylinder head drain passage, and piston rings.
No | Service if necessary. Repeat Step 2.
3 | • Verify test results.

  - If normal, return to diagnostic index to service any additional symptoms.
  - If malfunction remains, inspect related Service Information and perform repair or diagnosis.

  • If vehicle is repaired, troubleshooting completed.
  • If vehicle is not repaired or additional diagnostic information is not available, replace or reprogram the PCM.