Posted: Thu Mar 27, 2014 1:09 pm
Title: It's part of the PAIR valve system
|djrussell (Veteran) |
|Thu Mar 27, 2014 1:09 pm|
|It's part of the PAIR valve system |
Pulse Air Injection Reed valve that is. It lets air into the exhaust so the catalyzer can combust left over fuel. There should be a tube that goes from the air box to this spot with some sort of valve in between to start/stop the flow of air. I think it's 16126 on this diagram.
These are commonly disabled or blocked off when switching to an aftermarket exhaust that doesn't contain a catalyzer.
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