TwinTurbo.NET: Nissan 300ZX forum - Unstable idle when warm
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Subject Unstable idle when warm
     
Posted by boostlv on June 27, 2012 at 6:04 PM
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Message Hey guys I've been hunting down this idle issue for a few months and I can't figure it out. My idle drops from 750rpm to 600rpm. It only does this when it's warm and been driven. It picks up to 750rpms and drops to 600rpm it keeps doing this at idle when it's hot. Any ideas? I checked the tps it's adjusted fine. I sprayed the iacv with carb cleaner and w-40. I checked for boost leaks seems to be ok. I started thinking maybe it's the fuel pressure regular or dampner? Any suggestions?

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