PCV 2 - Check System Hoses

^ Remove all ventilation hoses.

^ Check the hoses for leaks, loose connections, or blockage.

^ Are the hoses OK?

NOTE: If air pressure, oil, or oily sludge is present at the intake end of the fresh air supply hose, the engine has excessive blow-by, caused by cylinder bore, piston ring, or valve stem wear.

YES -- RETURN to the Diagnostic Routines. Diagnostic Routines Index

NO -- (Hoses not OK)
CORRECT as required.


NO -- (Oil or sludge present)
RETURN to the Diagnostic Routines. Diagnostic Routines Index