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

Tiny
WILLIEBERNS
  • MEMBER
  • 2004 DODGE NEON
  • 142,000 MILES
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.
Sunday, March 18th, 2012 AT 4:05 PM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
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?
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Sunday, March 18th, 2012 AT 4:10 PM
Tiny
WILLIEBERNS
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  • 6 POSTS
Yes I have a tester. But not sure what to test
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Sunday, March 18th, 2012 AT 4:40 PM
Tiny
WILLIEBERNS
  • MEMBER
  • 6 POSTS
Could it just be that the throtle body needs a cleaning. Would that cause the P0508 code p. To show u
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Sunday, March 18th, 2012 AT 5:11 PM
Tiny
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.
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Sunday, March 18th, 2012 AT 8:36 PM

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