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  1. M

    Guide - How to fit a catch can and simplify the PCV system

    I have just removed all the hoses and PCV as they were all cracked and leaking. Car has been running like crap for a while. Replaced O2 sensor pre cat & MAF sensor. Helped a bit but Idle is up and all over the place. Not sure about putting a valve in, but after deleting the PCV and hoses my...