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I have already replaced the IACV and ECM didnt know they are to be done at the same time...$400 later...I am about to replace them AGAIN. What other components or parts should be checked before installing the new ECM. I don't want to fry it ...

Thanks in Advance
Vehicle: 2001 Infiniti i30

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Hi there,

It's important to use the factory IAC on this or you could burn out the new ECM.

Also, a rough idle could be caused by a intake manifold vacuum leak and a bad maf sensor.

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