Question about 2003 Dodge Neon
The IAC motor is causing the problem. the iac motor is connected with two screws on the throttle body. Disconnect the battery negative wire from battery first before doing any work. Unplug the connector to the iac motor and remove the two screws. wiggle and pull out motor. Replace motor with new motor and o-ring. Installation is the reverse of removal. Hope this will help you.
Posted on May 18, 2010
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Posted on Jan 02, 2017
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Oct 29, 2014 | 1991 Pontiac Grand Am
Engine stalls cold or RPM
fluctuates at idle up and down or dies near idle.
This problem is commonly caused by a dirty automatic idle speed control valve and throttle valve but always run a OBD2 fault code as well as the cleaning procedure. Buy a can of throttle valve cleaner (do not use carburetor spray cleaner!) from NAPA or Carquest (made by CRC chemicals) and spray it into the air intake while the engine is running, use up about 1/2 the can, engine will try to stall hold the speed up, shut it down and let it soak for 30 minutes, restart and blow out the remaining fluid, shut it down and disconnect the negative battery cable for 5 Min's to reset the base idle control. If the above cleaning doesn't cure your issues you need to have the computer controlled automatic idle speed control system diagnosed and repaired by a dealer or electronic engine control repair shop.
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