motorcar Posted May 16, 2020 Share Posted May 16, 2020 My Matrix XRS might need a new IAC valve. The valve is stuck open and warm idle is 2krpm. There are 3 pins on the plug. I think the pin 1 is ground, pin 2 is 12V, and pin 3 is a 7-8V pulse. The device seems to be a mystery with a wide range of prices. How can test a replacemnet? wow- thank you!! Quote Link to comment Share on other sites More sharing options...
XR2003 Posted July 10, 2020 Share Posted July 10, 2020 Did you try cleaning the iacv? Quote Link to comment Share on other sites More sharing options...
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