TwinTurbo.NET: Nissan 300ZX forum - RPM dip on cold start
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Subject RPM dip on cold start
     
Posted by Metacom on December 12, 2016 at 8:49 PM
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Message On my 96NA after a real cold, sitting over night or for a few hours lately ive noticed the RPMs will shoot up to 2k as normal then bounce off 800 where the idle is set the rise up to around 1500 till warm then settle as normal.

I swear it would always shoot up to 2k then slowly lower down to 1500 till warm instead of bouncing off 800. Anyone else have a Z act like that?

Seems like it only started when the ambient temperatures started to get near freezing.

New IACV and air regulator, TPMS, fuel pump, FPR, all hoses replaced, all connectors plugged in, no corrosion, timing set, new coolant temp sensor...

     
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