3.
If the plunger does not move,the positive crankcase ventilation valve is clogged. Clean or replace it.
Check for any split, disconnected or perforated vacuum hoses. Also, check PCV valve for proper operation.
Remove the positive crankcase ventilation valve.
Insert a thin stick into the positive crankcase ventilation valve from the threaded side to check that the plunger moves.
If the plunger does not move,the positive crankcase ventilation valve is clogged. Clean or replace it.
Are vacuum hoses and PCV OK?
YES
Go to "fuel injector Inspection"
NO
Replace faulty vacuum hoses or PCV
Repair as necessary and go to "Verification of Vehicle Repair" procedure
Check for fuel injector operation.
Are fuel injectors working normal and dispensing proper volume?
YES
Go to "Verification of Vehicle Repair"
NO
Repair as necessary and go to "Verification of Vehicle Repair" procedure.
