Hi, I got a 2003 Xterra. the idle is rough in park/ neutral. And smooth in D and R. I replaced the IAC. It doesn't work. Any idea? Vacuum leak? Purge valve?

What is your question?

I replaced the ECU and got a guy reprogramed it. Because it was burned. Also I replaced the fuel injectors and vacuum tubing which is connected to IAC valve. Also I replaced IAC valve.

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in Chandler AZ

Jul 8, 2022

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