Nissan 370Z Forum - Another Supercharger Idle problem thread

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Nissan 370Z Forum (http://www.the370z.com/)

- Forced Induction (http://www.the370z.com/forced-induction/)

- - Another Supercharger Idle problem thread | Starting to get desperate (http://www.the370z.com/forced-induction/134329-another-supercharger-idle-problem-thread-starting-get-desperate.html)

NissanTracker

08-28-2020 08:58 AM

Quote:

Originally Posted by deportedflip (Post 3956089)

I chased that idle thing forever. Mechanically the car was perfectly sound. I used a consult to do an idle air relearn and it was the same. Got retuned by a different tuner, instant fix.

Seb gave me a new tune I'm going to try today

NissanTracker

08-28-2020 08:59 AM

UPDATE:

So been driving the Z around after the clutch install. Also replaced the cats with another set of stockers. Idle still all over the place.

I got another tune and flashed it. Was pretty brutal. Just "huffed and puffed" at cold start between 2K and 4K rpms. No clue what he did there.

NissanTracker

08-30-2020 05:18 PM

Update:

Well Boys and Gals, Looks like Seb did it. One of the main issues was getting the car to go through idle relearn. The rpms would never settle below 1,100. Turns out, the 2007 HR ROM has a hard time with this. He set me up with a tune on a 2008 ROM and viola. Pain and agony vanished. Idle is set for 850, just sits there and purs.

Going to have to tip this guy real good. Went well and beyond trying to hunt down this issue.

Thanks for the input and advice everyone!

NissanTracker

08-30-2020 07:42 PM

Quote:

Originally Posted by TheGreyZ (Post 3953968)

You probalbly need an 08 ecu. I had idle issues with my 07 after my turbo and my tuner said that the newer 08 ecu was able to correct throttle body and idle issues more than the 07 could.

Well, you were right. Seb set me up with a 2008 ROM and fixed the issue.

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