tune saved?

Chuy · 07-07-2014, 11:40 AM

My battery died in the Z, I understand the tune is saved on the ECU, Stillen supercharged. When I finally got her started again let her run for a bit. Then took her for a drive and noticed under boost I lean out.

So, does the ECU need to relearn the perimeters again or should I take her to my tuner?

JWillis72 · 07-07-2014, 12:41 PM

I've had mine without the battery for a couple days and mine didn't go lean when it was hooked back up.

theDreamer · 07-07-2014, 12:46 PM

It should not change, it might just be the car doing some minor adjustments since it did reset.
Keep an eye on it, and if it continues maybe do some data logs and send to your tuner to review.

Chuy · 07-07-2014, 01:20 PM

I think I'm going to schedule an appt and see what is going on

07-07-2014, 11:40 AM	#1 (permalink)
Chuy Enthusiast Member Join Date: Apr 2010 Location: Colorado Springs Posts: 474 Drives: 2015 NISMO Rep Power: 15	tune saved? My battery died in the Z, I understand the tune is saved on the ECU, Stillen supercharged. When I finally got her started again let her run for a bit. Then took her for a drive and noticed under boost I lean out. So, does the ECU need to relearn the perimeters again or should I take her to my tuner? __________________ Miko 2015 Nismo Tech: nothing RIP Ginger 2009 370Z Sport Touring

07-07-2014, 12:46 PM	#3 (permalink)
theDreamer A True Z Fanatic Join Date: Feb 2009 Location: Texas Posts: 30,879 Drives: 370z Rep Power: 4210	It should not change, it might just be the car doing some minor adjustments since it did reset. Keep an eye on it, and if it continues maybe do some data logs and send to your tuner to review. __________________ theDreamer's Z // Fast Intentions // Uprev // GTM // HKS // TEIN theDreamer's Silvia // URAS // GREDDY Houston Zs // Facebook // Twitter // Instagram

07-07-2014, 01:20 PM	#4 (permalink)
Chuy Enthusiast Member Join Date: Apr 2010 Location: Colorado Springs Posts: 474 Drives: 2015 NISMO Rep Power: 15	I think I'm going to schedule an appt and see what is going on __________________ Miko 2015 Nismo Tech: nothing RIP Ginger 2009 370Z Sport Touring

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07-07-2014, 12:41 PM	#2 (permalink)
JWillis72 A True Z Fanatic Join Date: Sep 2013 Location: Fort Myers FL Posts: 2,002 Drives: 2009 370Z yellow 7AT Rep Power: 45	I've had mine without the battery for a couple days and mine didn't go lean when it was hooked back up.