Generation 1 , ISC , idle air valve.

1989/90 ISC solenoid air valve. off the left side of the Throttle body TB. photos from a contributor...	the gaskets.	see air ports here.
the back side can be removed.	to see the factory calibration screw, that can be re-adjusted to get rid of wear induced air leaks.	trying to make a new gasket was sucessful. Or if you are doing air leaks tests , i make a solid gasket for here and then run my tests. seen on the page you just came off of........
	the only correct way to make the gasket. or SOLID for tests.

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