PFO4 - Turbo Seal Leakage

^ With the compressor outlet hose and the front pipe (exhaust) removed from the turbocharger, visually inspect the removed pipes and their connecting passages in the turbo housing for the presence of oil or coolant.

^ Are the air or exhaust passages in the turbocharger or the connecting pipes free of oil, carbonized oil, or coolant?

YES -- Return to Powertrain/Computers and Controls/Testing and Inspection/Procedures/Diagnostic Routines.

NO -- Replace the turbocharger assembly.