little port on the manifold?? what is it??
08-06-04, 11:21 AM
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87 T2
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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
08-06-04, 12:49 PM
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**-P I drive a miata.
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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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