GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Prizm 🢒 Engine 🢒 Engine Controls - 1.8L 🢒 Crankcase Ventilation System Inspection

Inspection Procedure

    Object Number: 233683 Size: SH
  1. Blow air into the cylinder head side (1) of the PCV valve.
  2. Check that air passes through the PCV valve easily.

    3. Object Number: 233686 Size: SH
  3. Blow air into the intake manifold side (1) of the PCV valve.
  4. Check that air passes through the PCV valve with high resistances.
  5. If the PCV valve fails either test, replace the PCV valve.