Do I need to upgrade the CCV to the cold weather kit? And what's the difference and gain benefit?
Originally Posted by redbull 325is
Sometimes a bad pcv will not cause oil issues, but the bad membrane will allow for extra un-metered air to enter the intake manifold from the crankcase and cause the fuel trims to be off. With that in mind and how cheap they are (under $200) i'd definitly do it before the car starts misfiring like a pig and throwing cels.
Last edited by Mhnd; 10-15-2012 at 08:29 AM.