Originally Posted by
a7x6kse6
I would create a new thread with a more detailed explanation of the problem. When did it start? What have you tried so far? Also try spraying carb cleaner near the hissing with the engine running, see if the idle changes at all. That could tell you where the air leak is.
do not know when, just noticed some hissing on accel inside cabin, took a look to engine bay and found that it has a kind air passing through somewhere, i changed all the TB hoses and seals, resealed pvc breather covers, now thinking about changing valve covers gaskets, tried to breath smoke into pcv head holes but no luck, smoke isnt coming from valve heads...