Disconnected Turbo hose?

[dbonds]

My 2014 SHO had a fender-bender last week - low impact, my fault, made worse by the fact I managed to not only rear end a truck, but one with a trailer hitch/ball installed - zero damage to his hitch or truck, but I had to have my lower front bumper entirely replaced as well as a radiator support. Car looked good after repair, but I noticed (by the time I got home) that it seemed to have significantly less power as well as an odd intake/turbo noise.

I thought something related to the turbo or intake system may of been damaged as well, but hadn't noticed the lack of power or odd noise before the cosmetic repairs. After a couple of days of driving I started digging around underhood to see if I could find (with my limited mechanical skill) anything out of place. Didn't take long to find a disconnected hose at top right of engine, shown in attached pic. I can only assume the body repair work guys disconnected it for some reason and didn't get it back on after - sloppy work.

After reconnecting hose, power is back to normal and noise is gone.

So....

1. I assume this is a hose from one/both of the turbos into the engine?
2. The car was driven ~100 miles with this hose disconnected. Any long-term worries from this?
3. Seemed odd this didn't throw a code?
4. Looking into the engine side of where this hose attaches, I found a fine sheen of oil with a couple of drops. In an engine with 94k miles on it, is some oil blowby thru turbos "normal"? Any worries seeing that?

 

[SilverSH0]

1) That hose is the charged air hose (hot side) from the rear turbo to the CAC. When it's disconnected the turbos aren't doing anything as any boost is vented out the open hose.
2) Nothing to worry about
3) Agreed. I would imagine there was a hanging unverified code that simply didn't throw the CEL but if you scanned it with a scanner it would show something.
4) It's from the PVC system. Under boost the engine blows dirty oil air out through the clean side of the PCV system. It's normal for these cars.

4 cont) I would look at your PCV system a little more. The clean side PCV hose in the picture (bottom center, 90 degree connector with hose connected) doesn't look like mine. Yours looks like someone took some hose from a parts store and used that to make the connection. I'm not saying it does or doesn't work, simply that it's not factory and probably worth looking into.

 

[dbonds]

Perfect answers - thanks, SilverSHO!

Regarding the clean side PCV hose. What year is your SHO? Wondering if there may of been a redesign between years or something? I only ask as I bought this car new, so know it wasn't a "previous owner did something odd scenario". The car has had zero mods, nor any real work done to it beyond the normal maintenance and wear items.

 

[SilverSH0]

Perfect answers - thanks, SilverSHO!

Regarding the clean side PCV hose. What year is your SHO? Wondering if there may of been a redesign between years or something? I only ask as I bought this car new, so know it wasn't a "previous owner did something odd scenario". The car has had zero mods, nor any real work done to it beyond the normal maintenance and wear items.

Mine is a 2010 and I guess it has changed. It's just odd because the tube on mine is very sleek hard plastic that almost seems heat shrunk on the connector. The one in your picture looks like someone picked up some tubing from AutoZone and pushed it over the connector. It probably is a change from the factory but it seems like it's a step backwards, IMO. I'll try to remember to take a picture of mine sometime.