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Discussion Starter #1
I just bought a oil catch can and put it on my FA5. Ran it from the PVC to the IM and now my car is throwing a P0172 code (Bank 1 too rich). I've checked for vacuum leaks and haven't found any. What else could be causing this?
 

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Discussion Starter #4
It's definitely the catch can. I put the original hose back on and the code hasn't resurfaced. The catch can doesn't have any leaks and the hose connections are tight. I am using fuel hose instead of vacuum hose. Could it be that there's too much of an open space for the vacuum?
 
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