Hose identification

Rustyms3

Rustyms3

Greenie N00B Member
20210517_151640.jpg I popped the hood on my 2007 mazdaspeed 3 this afternoon to bleed the slave and to change the oil. This little hose was chilling in the hood latch area. Does anyone know where it goes?
 
Looks like one of the coolant hoses from the throttle body my hunch is someone bypassed it by looping the other one back into the feed. Check to see if there's any coolant lines going to the throttle body.
 
Awafrican said:
Looks like one of the coolant hoses from the throttle body my hunch is someone bypassed it by looping the other one back into the feed. Check to see if there's any coolant lines going to the throttle body.
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I double checked that the PO didn't coolant bypass it becuase I didn't. The hoses are still on the throttle body. I've done quite a bit of research but to no success. My guess is I was using some old hose for something or it got swept up from the roadway. Does this hose number help at all?20210518_112912.jpg
 
gotovato said:
Maybe the stock BPV vacuum line? It looks like yours has been swapped out. Maybe previous owner left that line in there by accident or something.
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This is highly likely looking at the picture that'd be my guess now that we have ruled out the TB coolant lines.
 
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