Quote:
Originally Posted by blackknight
Im surprised that it was the frozen valve. Wouldnt the "air" being sucked thru the PCV system be warm enough to unfreeze the frozen valve?
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I would think if the valve is frozen, no air is moving through the tubes, even it it is warm. There is not much heat conduction through the rubber hoses. The engine compartment needs to heat up to warm up the valve and can.