Hellos guys!!! last week i made a boost leak test and I have one leak in pcv vlave, so i decide remove the line from the intake to the pcv valve, so that valve is free to the atmosphera right now ( I think put a catch can there). So, after that when remove the line, I close that line and i feel the car richer in idle.

before was in 14.3 right now is in 13.2 AFR in idle.. it´s posible that problem is because I eliminate that line from the intake to pcv valve?

 

My understanding is that the pcv line is there to vent the crankcase pressure. By blocking it at that point on the intake side you are trapping the pressure and trapping the oil that is supposed to be vented.

 

yes, your right! but I would like to know, if with this change that I made (eliminate that line), change the AFR in idle??

 

Then if I understand correctly when you say "eliminate the line" you blocked it? If so then it would change the AFR because the tune takes into account the pressure that is ventilated back into pcv on idle.

 

Yeah, I blocked that line from intake manifold to pcv valve.