Help

[Bmonteer]

Hey guys need some help here I had a 0171 code pop up a week ago ok found out that this part in pic the ring was torn making a vacuum leak pretty sure this is my problem how does this go back in is that plastic peice just a retainer or does it go in first then oring.. Any help please also trying to find right oring that seals it found some but I think still need to keep looking

 

[Bmonteer]

This peice is found on intake manifold that goes to turbo

 

[Bmonteer]

I think I got it just had to find right o ring that fit it nice and tight one I out in there was a little loose causing a high pitch suction sound just enough to make noise now it's tight and no noise so cross my fingers it was this