-PCV Hose elbow leak?

[Stevenbekah]

So I've been dealing with a 0171 for a week+ now, already checked the MAF, plugs, new fuel filter, put a new EGR and DPFE on it too

Been thinking it's vacuum issues as the code ONLY comes on at idle
Also, during a cold start up, the code doesn't come on, but it's clear it's having a hard time idling and asking for more fuel

Anyway, I pull that elbow off the back of the supercharger (the one that runs to the PCV checkvalve on driver crankcase) and it's got a small crack in it. I'm suspecting that could be the issue

However, it that truly a vacuum section? I believe it's part of the pollution control valve and not positive crankcase vacuum?

Thoughts? I'm needing help and pulling what little hair I have left trying to get this fixed...

 

[Soap]

Yes that is vacuum......it's the same air as the intake pipe between filter and throttle body (where the passenger side valve cover connects to).

--Joe

 

[Stevenbekah]

So I've found that tube (I'm also thinking I can just get an elbow) and my question is:
-It's a "T" tube assembly and it has a section heading down, where does that attach to?

Here's what the tube looks like:
FORD 2R3Z-6C324-AA 03-04 MUSTANG COBRA PCV SYSTEM HOSE W/ PCV VALVE EATON 4.6L | eBay

 

[hotcobra03]

hose goes to lower intake on the bottom.

it is the biggest issue of po171/174 on this car

highly suggest pulling intake off replace hose and use a clamp on bottom which ford didnt do.

while its off. clean intercooler.

 

[Bdubbs]

hose goes to lower intake on the bottom.

it is the biggest issue of po171/174 on this car

highly suggest pulling intake off replace hose and use a clamp on bottom which ford didnt do.

while its off. clean intercooler.

I really wish I put a clamp on that bottom hose when I swapped blowers...

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