Chart 15
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- Oil System Concerns: High Oil Consumption, Leaks
| SYSTEM/COMPONENT | REFERENCE (Engine Controls Pinpoint Test unless noted) |
|---|---|
| Positive Crankcase Ventilation (PCV) System | GO to Pinpoint Test HG. |
| Base Engine | REFER to the Engine System, Diagnosis And Testing article to continue diagnosis. |
| Additional Checks | Check for external oil leaks and correct oil viscosity. Check the turbocharger system for oil leaks. |