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Old 06-07-2019, 11:23 AM   #14
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Join Date: Aug 2018
Location: Woodland Wa
Posts: 242
Originally Posted by Cosmo Kramer View Post
If this car is a non e-gas there will be an idle control valve on it. It is controlled by the DME to modulate the idle speed. It does this by bypassing air around the throttle body with a valve that is opened and closed depending on what the engine needs. If it isnít working properly it will cause the exact symptoms you are experiencing.
For my own knowledge: Would you know how to test it for proper function?
or is there a signal that can be read with a scanner like the Duramatic?
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