Chart 15
- 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. |