I'am getting a P0508 idle air control system circuit low code.

2004 DODGE NEON
142,000 MILES
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WILLIEBERNS
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It vibrates and idle rough.I notice it alot if I'am stopped and turn the steering wheel.Is there other thing to check before I change out the idle control motor.
Mar 18, 2012 at 4:05 PM
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SATURNTECH9
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If your getting a iac circuit low voltage then most likely its not you iac its the circuit going to it.Do you have a multimeter to do some testing?
Mar 18, 2012 at 4:10 PM
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WILLIEBERNS
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yes I have a tester. But not sure what to test
Mar 18, 2012 at 4:40 PM
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WILLIEBERNS
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Could it just be that the throtle body needs a cleaning. Would that cause the P0508 code p.to show u
Mar 18, 2012 at 5:11 PM
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SATURNTECH9
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Lets try cleaning the iac and the passage way it sits in and go from there.Carbon build up could cause the code.Let me know what you find.
Mar 18, 2012 at 8:36 PM