S SicMSP03.5 Member : 2003.5 Mazdaspeed Protege Oct 8, 2014 #1 How would this occur on the 2.0 FS-DE engine... I would not like to do this.
D dirtysouth_msp Member : 2003.5 Blazing Yellow MSP (Forged) Oct 8, 2014 #2 Failed pcv valve allowing boost pressure into crankcase would do it. If that were the case it would push oil out of the valve cover breather hose into your intake, through your turbo and intercooler and into the intake manifold.. Last edited: Oct 8, 2014
Failed pcv valve allowing boost pressure into crankcase would do it. If that were the case it would push oil out of the valve cover breather hose into your intake, through your turbo and intercooler and into the intake manifold..
