Originally posted by CRZYDRVR:
PVC was replaced about 6 months ago. (about 8-9K miles)
Mabye I should just replace it again and see what happens.
Test the PCV system!
You can replace the valve every week, that does not mean the system will work!
Pull the fresh air tube off of the valve cover and put your thumb over the valve cover opening. Suction should build up. When you remove your thumb there should be a sigh as air enters the crankcase.
If the PCV system is not working - fix it! It is there to prolong the life of the oil (and so, the engine).
Test the hose from the PCV valve to the crankcase if necessary.
Oh, and make sure it's a Motorcraft PCV valve. Fram and Purolator valves are junk.
"Those who cannot remember the past are condemned to repeat it" -George Santayana
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