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International Automotive Technicians Network
Re: 5 Gas to chech oil dilution
Posted to Technical Theory Forum on 5/26/2004

On older cars I would pull PCV out of the valve cover (to pull fresh air) and observe the change in idle speed. Actually, I guess I did also observe the change in tailpipe emissions (not crankcase emissions).

Many people associate me with 5-gas analysis but ... Login to read more.