Chart 15

SYSTEM/COMPONENT	REFERENCE ( PINPOINT TESTS unless noted)
Positive Crankcase Ventilation (PCV) System	GO to PINPOINT TEST HG .
Base Engine	REFER to the appropriate Engine System - General Information and CARRY OUT the Inspection and Verification to continue diagnosis.
Additional Checks External leaks Correct dipstick Correct oil viscosity Turbocharger System	Visual.