I recently replaced my down pipe and removed the cat. My cat was replaced sometime back and the current one didn't have an air tube (little tube on the side). Where/what does the air tube connect to? I have been chasing a vacuum leak and I am wondering if theres an open line somewhere possible related to the air tube. I'm not sure if it matters at all, it was just a thought. I thought I had prevented every vac leak but i'm only pulling 15-16 at idle. I was told it should be closer to 18.
Catalytic Converter Air Tube?
- Thread starter DaveyX87
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- May 28, 2001
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I don't recall there being an air tube on these cars.
toofastforyou
2FAST4U
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- May 25, 2001
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- 5,785
Original catalytic converters did not have that little tube. It's very likely that you have an aftermarket replacement converter on your car…
Claude.
Claude.
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- May 28, 2001
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What Claude said... Aftmkt converters were made w/a tube connection. They came w/ a cap. So, if you car had air injection into the cat, you could hook it up. If not, use the cap
