little port on the manifold?? what is it??
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87 T2
Joined: Jun 2002
Posts: 924
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From: florida
little port on the manifold?? what is it??
I just put on a Pacesetter header and high flow CAT. Im very happy with it in the day iv drivin it. question is on the engine and stock manifold there is a little port and the header has no port to match, what is it for and will it affect my car in anyway???
Thanks, J Greene
Thanks, J Greene
**-P I drive a miata.
Joined: Jul 2002
Posts: 1,600
Likes: 0
From: albany, GA
I think that is for the afterburn prevention system. Pumps a little fresh air in there to help it burn off or something. This is also why your car runs rich at idle... the O2 sensor is in open loop!
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