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Discussion Starter · #1 ·
Searched for this problem and didn't see much. I have a 95 Avalon with 182K that runs like new. The problem I am having is that when you start the engine cold the idle is way too high. Once it is warm the idle returns to normal.
I assume the (choke) idle is computer controlled, is there any way of adjustment or correction? Thanks.
 

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I wonder why the ES300 already idles at 1250-1300 when cold. Different ECT sensor, or ECU setting.:dunno:

Most my Avalon has ever idled cold was at 2000rpm when it was below freezing. Normally it idles at 1750rpm, then drops to 1500rpm in about 10 seconds. I actually like and dislike the high idle for two reasons. I like it because I don't get the clunk from D->R with high idle, but for me it doesn't really make sense to idle 1500rpm+ because I just start the car and drive.
 
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