Manuals through 2025 now available!
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Positive Crankcase Ventilation Valve: Testing and Inspection
1.
Remove the
positive crankcase ventilation valve.
2.
Insert a thin stick into the
positive crankcase ventilation valve from the threaded side to check that the plunger moves.
3.
If the plunger does not move, the
positive crankcase ventilation valve will be clogged. Clean or replace it.