Positive Crankcase Ventilation Valve Location | Colt Wagon 2WD L4-1468cc 15L SOHC (1989)
Positive Crankcase Ventilation Valve: Testing and Inspection
PCV Valve Testing
1. Remove the Positive Crankcase Ventilation Valve.
2. Insert a thin probe into the valve from the threaded side.
3. Check that the plunger inside the PCV valve moves when pushed on.
4. If the plunger does not move, the valve is clogged and should be replaced.