Quote:
Originally Posted by mnim15
Just curious, how does the circuitry on the ECU get damaged?
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when the IAC fails, the ecu does not know that it fails. The ecu continues to "tell" the IAC to open more and more, the IAC does not respond to the voltage inputs. Eventually the (abnormally) large amount of resistance inside the IAC causes the drivers on the ECU board to fail. Contact someone at ecmtuning.com for a more detailed description
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