Originally Posted by
kai1
Hi guys, a i have annoying hissing sound near pcv breathers and very high LTFT 12,5-15,8 , found out that if i take out and block pcv hoses LTFT becomes normal and hissing gone, breather covers are already resealed with RTV what also can cause such vacuum leak?
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.