1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

what is "port air" for?

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Jan 16, 2003 | 11:17 PM

#1

hornbm

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From: Bothell, WA

what is "port air" for?

I'm trying to figure out what the port air does. Its that little hole underneath the primary intake ports on the intake mainifold.

I know its has something to do with emissions, i just dont know what.

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Jan 16, 2003 | 11:36 PM

#2

j9fd3s

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From: https://www2.mazda.com/en/100th/

air from the air pump is injected there under 2000-2500rpms to make it pass smog

mike

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