Funny thing happened to my z yesterday!

kdo2milger · 08-28-2009, 11:34 AM

The z had been a little off on the timing (im thinking its the ECU trying to adjust for the Takedas...

I was getting spark knocking and a really sluggish response...

I got in, started it, backed out of the parking lot and proceeded to drive...

The z was in limp mode BIG TIME! for no apparent reason that I could think of...

No matter what I did, I could not get the RPM's above 2500...

I shut the car off, waited a minute, then started it again, nope...same thing...

so I remembered some others here having simular issues, and decided to try and make it home in limp mode

I get to a stop light, usually a super long light at that, and decided to shut er down once more...this time it was atleast 4 mins...

Started the z back up and walla!

z feels and responds like a bat out of hell now

So im thinking that the ECU finally learned the Takedas...

CCCLXXZ · 08-28-2009, 11:51 AM

its alive!

how many miles do you think you put on the car since the install?

fuct · 08-28-2009, 11:53 AM

you stopped for 4 mins at a stop light???

tooohip · 08-28-2009, 11:54 AM

Quote:

Originally Posted by fuct

you stopped for 4 mins at a stop light???

We've got a couple annoying ones like that around here too.

kdo2milger · 08-28-2009, 11:55 AM

Quote:

Originally Posted by CCCLXXZ

its alive!

how many miles do you think you put on the car since the install?

around 350ish...

6MT · 08-28-2009, 11:55 AM

Quote:

Originally Posted by kdo2milger

The z had been a little off on the timing (im thinking its the ECU trying to adjust for the Takedas...

I was getting spark knocking and a really sluggish response...

I got in, started it, backed out of the parking lot and proceeded to drive...

The z was in limp mode BIG TIME! for no apparent reason that I could think of...

No matter what I did, I could not get the RPM's above 2500...

I shut the car off, waited a minute, then started it again, nope...same thing...

so I remembered some others here having simular issues, and decided to try and make it home in limp mode

I get to a stop light, usually a super long light at that, and decided to shut er down once more...this time it was atleast 4 mins...

Started the z back up and walla!

z feels and responds like a bat out of hell now

So im thinking that the ECU finally learned the Takedas...

Very strange. That never happened to me after the install of the Stillen intake.

Modshack · 08-28-2009, 11:56 AM

Quote:

Originally Posted by kdo2milger

So im thinking that the ECU finally learned the Takedas...

Part throttle adaptation (long term fuel trims) usually set between 25-50 miles. Sounds lile you have some other issues. I would disconnect the battery for a few minutes for a complete purge and re-set.

kdo2milger · 08-28-2009, 12:14 PM

Quote:

Originally Posted by Modshack

Part throttle adaptation (long term fuel trims) usually set between 25-50 miles. Sounds lile you have some other issues. I would disconnect the battery for a few minutes for a complete purge and re-set.

i had the battery disconnected for over thirty minutes when i installed the takedas...the z is running better now than it did when i picked it up from the dealer..

i forgot to mention also that the shifting of gears has gotten much much smoother as well....

kannibul · 08-28-2009, 12:17 PM

Quote:

Originally Posted by 6MT

Very strange. That never happened to me after the install of the Stillen intake.

After I installed the G3 intake on my Z - it beeped at me a LOT. I also had the battery disconnected for a while.

But, other than that, it's been fine. :shrug:

I'm thinking I should disconnect the battery before I take off on my trip to Michigan - give the ECU some "quality time" to start over with adjusting, since the first thing I did after putting on the G3 intake, was floor it, and drive it VERY aggressively. If that's the baseline, well, my MPG will probably be pretty low!

6MT · 08-28-2009, 12:24 PM

Quote:

Originally Posted by kannibul

After I installed the G3 intake on my Z - it beeped at me a LOT. I also had the battery disconnected for a while.

But, other than that, it's been fine. :shrug:

I'm thinking I should disconnect the battery before I take off on my trip to Michigan - give the ECU some "quality time" to start over with adjusting, since the first thing I did after putting on the G3 intake, was floor it, and drive it VERY aggressively. If that's the baseline, well, my MPG will probably be pretty low!

I should have said that my ECU went through it's "re-learn" after my intake install. It wasn't driving to its full potential, but it wasn't in "limp-mode" either. After a few days of driving it was back to usual. Not sure why the original poster had such a problem

kdo2milger · 08-28-2009, 12:25 PM

Quote:

Originally Posted by 6MT

I should have said that my ECU went through it's "re-learn" after my intake install. It wasn't driving to its full potential, but it wasn't in "limp-mode" either. After a few days of driving it was back to usual. Not sure why the original poster had such a problem

it was just yesterday that it went into limp mode and only for a about 10 minutes...

kdo2milger · 08-28-2009, 01:11 PM

Quote:

Originally Posted by fuct

you stopped for 4 mins at a stop light???

yeppers, i like to call it "malfunction junction"

Red370 · 08-28-2009, 01:14 PM

when you install a new mod, id disconnect the battery, hold the brake in to purge, then leave it like that overnight, failproof ecu reset. If something like that happened to me, id shyt a brick.

m4a1mustang · 08-28-2009, 01:36 PM

That kind of behavior sounds like you forgot to plug the mass air sensor back in on one of the intakes.

kdo2milger · 08-28-2009, 01:37 PM

Quote:

Originally Posted by m4a1mustang

That kind of behavior sounds like you forgot to plug the mass air sensor back in on one of the intakes.

they both clicked and i visually verified that they were properly seated.

08-28-2009, 11:34 AM	#1 (permalink)
kdo2milger OG Priesthood Join Date: Feb 2009 Location: Fargo, ND Posts: 17,859 Drives: NISMO T Rep Power: 59	Funny thing happened to my z yesterday! The z had been a little off on the timing (im thinking its the ECU trying to adjust for the Takedas... I was getting spark knocking and a really sluggish response... I got in, started it, backed out of the parking lot and proceeded to drive... The z was in limp mode BIG TIME! for no apparent reason that I could think of... No matter what I did, I could not get the RPM's above 2500... I shut the car off, waited a minute, then started it again, nope...same thing... so I remembered some others here having simular issues, and decided to try and make it home in limp mode I get to a stop light, usually a super long light at that, and decided to shut er down once more...this time it was atleast 4 mins... Started the z back up and walla! z feels and responds like a bat out of hell now So im thinking that the ECU finally learned the Takedas... __________________ Project *NISMO*

08-28-2009, 11:51 AM	#2 (permalink)
CCCLXXZ Base Member Join Date: May 2009 Location: Chicago Suburbs Posts: 164 Drives: T/S/MB/6 370z Rep Power: 400	its alive! how many miles do you think you put on the car since the install? __________________ Mods - Maxim Works Exhaust Manifold, FI HFC, Mines Y-Pipe, Saclam Silencer

08-28-2009, 01:36 PM	#14 (permalink)
m4a1mustang A True Z Fanatic Join Date: Feb 2009 Location: Northern VA Posts: 55,385 Drives: on two wheels Rep Power: 6962	That kind of behavior sounds like you forgot to plug the mass air sensor back in on one of the intakes. __________________ - Steve Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!) LIKE us on Facebook!

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08-28-2009, 11:53 AM	#3 (permalink)
fuct A True Z Fanatic Join Date: May 2009 Location: Sugar Land Posts: 3,692 Drives: 97' Ranger :) Rep Power: 23	you stopped for 4 mins at a stop light???

08-28-2009, 01:14 PM	#13 (permalink)
Red370 A True Z Fanatic Join Date: Jul 2009 Location: Kaiserslautern, Germany Posts: 4,391 Drives: your mom to church Rep Power: 295	when you install a new mod, id disconnect the battery, hold the brake in to purge, then leave it like that overnight, failproof ecu reset. If something like that happened to me, id shyt a brick.