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2008 RAV4 Limited V6
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Are you getting a check engine light? Have you changed the air filter lately? Sometimes a vacuum hose can get pulled out when removing the filter--check that. For it to happen suddenly--go back to the last thing that was done.
 

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My RAV4 2006 idle speed suddenly became so low that engine stalls when standing at red light. Can someone tells what is the problem?
And how about giving us a clue which engine you have?

Seriously...

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Discussion Starter · #4 ·
Thanks for the quick reply. I did nothing, no air filter replaced. I noticed the vehicle vibrating at idle speed last week but yesterday it stalled first time while on idle speed at a traffic light. I put fuel injector cleaner in gas tank to see to if idle speed comes back to normal. Sometimes it works. My vehicle is standard RAV4 2006 2.4L 4-cylinder.
 

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I am going with idle air control valve sticking. The quick fix is to remove some of the hoses going to it and squirt some WD-40 up in there.
 

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I have a 2007 i4 awd.
changed the battery the other day.. it was without power for about 15mins while i swapped it..
when i started it afterwords.. it was idling like it wanted to stall.. really low below 500rpm.. so i turned the AC off and
drove it around for about a day or so and she is all better now.. even with the AC on.

I chalked it up to the ECM relearning.

Honestly I dont know why it did that or why it stopped. Any electrical problems?
 
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