TwinTurbo.NET: Nissan 300ZX forum - Weird idle issue
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Subject Weird idle issue
     
Posted by GrecV2 on October 05, 2018 at 10:16 AM
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Message When I 1st got my TT, she idled around 900RPM. Also had a little tick where the idle would shoot up to 11-1200 and I'd have to blip the throttle to get it to come back down. This mostly happened when she was warm but not at 100% running temp.

Anyway... I reset the idle using the set screw and disconnecting IACV and got it down to a stable 750. Perfect.

All was well for like a month, until one day she died on me after putting in the clutch to coast to a stoplight.

Now I'm noticing that (especially when not 100% warm) if I let off throttle and take it out of gear, the RPMs will drop past 750... down to about 400... and then quickly bounce back to 750. Like it's overshooting the mark and then recovering.

This isn't really a huge issue, but if she's not 100% warmed up, she either can die or come damn near it...

Any ideas?

Former Stage V addict... off the wagon.

     
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