Thread: Guess this noise.

Originally Posted by waupachino

Well swapping the PCV had no effect. Still does it intermittently. Seems a little more prevalent when first starting to drive when cold, but really unable to distinguish any real pattern or isolate the offending part.

Any other ideas?

didnt say to swap it, said to open the oil cap and see if it goes away. put your hand over the hole and feel for suction. under the pcv could be clogged up, or another passageway.

we hear this same sound after intercoolers are installed wrong and block a pcv hole up.