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Re: 87 fiero 3.1 high idle still (testing)
Posted to Technical Discussion Forum on 8/12/2015 4 Replies

Have you blocked off the IAC opening & confirmed that you have good base- minimum idle speed? IAC counts of 96 doesn't sound right for 2500 rpm idle.

Can you command the IAC closed with your scantool bi-directional tests? If you can close the IAC then unplug... Login to read more.

4 Replies Received (View Replies)