how do i fix a bad idle problem?

2008 SCION TC
60,000 MILES
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AJM1989
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i did a stock engine swap and now the car has a bad idle.
Jan 22, 2012 at 6:52 PM
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RASMATAZ
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Scan the computer for code/s -Clean the idle air control valve and see what happens

Jan 22, 2012 at 6:56 PM
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AJM1989
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it runs good when you get on the gas but at idle its bad so would i have to bring it to a dealer for them to do something with the computer?
Jan 22, 2012 at 6:59 PM
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RASMATAZ
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Might just have to relearn the idle speed due to battery disconnection during the swapping
Jan 22, 2012 at 7:02 PM
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AJM1989
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how could i get it to re learn the idle by driving or just let it run for awhile?
Jan 22, 2012 at 7:06 PM
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RASMATAZ
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Try just letting it run and see what happens
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Jan 22, 2012 at 7:17 PM