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I've been trying to solve a high idle issue for about a month now with little progress. The problem is that with the aac unplugged or turned off ( I set the aac value to "0" in NissanDataScan) the idle is ~750 rpms but, if I plug in the aac, the idle rises to ~1200. I've followed this page a few times [ http://home.swipnet.se/e-solutions/IdleTech.html ] The aac ohms at ~10-11 and the FICD ohms at ~22. I removed the IAA, soaked it in mineral spirits ( just the aluminum, not the solenoids! ) cleaned all the connectors and, made sure that all the springy things moved freely. I've cleaned the TB's, set the tps to ~44 and done multiple boost leak checks. All turned out good but, the DAMNED idle is still too high. I read about the water temp sensor and believe that it's working ( I see the temp changing in NDS and if I pull it, the aux fan comes on and the temp goes to 176 F regardless of the actual temp. ) Just kinda lost on where to go from here, I thought about a new IAA but, at ~$300 for a new one and all indication that it's not bad, I'm looking for something else. Any and all suggestions are appreciated!!!
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