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Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   Strange Idle - after fuel pump swap (E85) (http://www.the370z.com/engine-drivetrain/136554-strange-idle-after-fuel-pump-swap-e85.html)

Jhill 08-25-2021 01:07 AM
Quote:
Originally Posted by Spooler (Post 4007420)
It is always NA at idle. It just requires more fine tuning for the tuner with larger injectors.
I’m aware of this which is exactly the issue. Essentially you need a fire hose at WOT to put out the fire but now your still left with a fire hose at idle to put out a mild camp fire. So your trying to control a trickle out of a fire hose without completely flooding the campsite.

DOOMMONKEY777 08-25-2021 01:34 AM
Am running 1050x injectors having the same problem at idle when cold start, after driving the car for a minute, then i go to idle, the revs are planted at 900rpm(that's the setting), but i know its a tune issue 100%. Because the ECU fine trims everything, i also noticed that at warmer OAT 80F+ the car does not have this issue.

Spooler 08-25-2021 01:15 PM
Quote:
Originally Posted by Jhill (Post 4007429)
I’m aware of this which is exactly the issue. Essentially you need a fire hose at WOT to put out the fire but now your still left with a fire hose at idle to put out a mild camp fire. So your trying to control a trickle out of a fire hose without completely flooding the campsite.
LOL, you guys have no idea. The only issue I hate is for flex fuel tuning. When you fill up with 93 oct. instead of E85 it sends the ECU into a freak out mode. The idle is for chit, all over the place This little idle issue op has stated is nothing to worry about. You want to know why I stay on E85 all the time, this is it.

HisStigness 08-25-2021 02:31 PM
I’m running E85 on Ecutek with a flex fuel setup, GT-R injectors, AEM 340 pump. No idle issues.

Jhill 08-25-2021 09:57 PM
Quote:
Originally Posted by Spooler (Post 4007470)
LOL, you guys have no idea. The only issue I hate is for flex fuel tuning. When you fill up with 93 oct. instead of E85 it sends the ECU into a freak out mode. The idle is for chit, all over the place This little idle issue op has stated is nothing to worry about. You want to know why I stay on E85 all the time, this is it.
Can’t say I’ve experienced the same issue (only have 91 here but shouldn’t be that different). Switched back and fourth 3 times already this month and ecu adapts immediately without any noticeable change.

Spooler 08-25-2021 10:17 PM
Quote:
Originally Posted by Jhill (Post 4007514)
Can’t say I’ve experienced the same issue (only have 91 here but shouldn’t be that different). Switched back and fourth 3 times already this month and ecu adapts immediately without any noticeable change.
With 1700cc injectors, this is a freaking issue. LOL

Jhill 08-25-2021 11:00 PM
Quote:
Originally Posted by Spooler (Post 4007517)
With 1700cc injectors, this is a freaking issue. LOL
Which is exactly what I and others were saying and you said in previous post it’s all in the tune and you have no issues. Now you say you have this issue and with 1700cc injectors this is an issue.

So which is it? You have no issues or you do have this issue? Both can not be true.

Jhill 08-25-2021 11:01 PM
Quote:
Originally Posted by Spooler (Post 4007357)
It is all in the tune. I run 1700cc injectors and have no issues. Do you need that large of an injector NA. That would be a no.
Just a refresher.

Spooler 08-25-2021 11:37 PM
Quote:
Originally Posted by Jhill (Post 4007525)
Just a refresher.
Whatever, you don't get it because you have no idea what I am talking about.


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