Question about 1990 Toyota Corolla

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Idle goes steadily down when stopped for awhile

The idle starts off good but when stopped (in gear- an automatic), the idle slowly will start to drop to where engine will try to die. Idle was turned up (to 1200 when warm) but it still happens. Idle is good when sitting in neutral (what I have had to do at long signal lights). It only happens when in gear and stopped. It does not happen right away when stopped. Starts after maybe 30-60 seconds of being stopped.

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  • 38 Answers

Check to see if that vehicle has an idle air control module, if it does replace it,

Posted on Apr 28, 2010

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