TwinTurbo.NET: Nissan 300ZX forum - High idle after PCV valve replacement
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Subject High idle after PCV valve replacement
     
Posted by weezee on January 27, 2013 at 8:49 PM
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Message I just replaced my PCV valves (which were completely clogged) and now the car is idling around 1800 RPMs. I've checked for vacuum leaks and couldn't find any. If I disconnect the yellow connector on the IAA, idle drops to a perfect 800 RPMs, but as soon as I reconnect it, it jumps back up. Before I pull the IAA and do the cleaning procedure on it, I was wondering if anyone else had some ideas on what could be causing the high idle. Should I check the TPS? Could clean PCV's be causing some other setting to be off now? For now, I'm fine driving w/o it connected, but I'd like to get it working correctly.




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