Finally got limp mode

kittens · 09-22-2014, 05:41 PM

So I wasn't able to go past 3500 rpm and it was violently sputtering once I hit that mark. Oil was at 190 and in the middle of L and H. I turned car off and on didn't go away. I then turned it off again checked the oil let it sit for 10 mins and now no more limp mode. Hopefuly this is a one time thing or do I needs to fix something? I looked around and think I am fine

Arrvaxx · 09-22-2014, 05:46 PM

Only 190? o.O

Jordo! · 09-22-2014, 05:49 PM

You sure it wasn't 290?

wanker · 09-22-2014, 05:52 PM

That doesn't sound like limp mode. Something else is going on.

kittens · 09-22-2014, 05:55 PM

It definitely wasn't 290 haha is there something else going on? Wish I got a video

Chuck33079 · 09-22-2014, 05:57 PM

Do you have a code scanner? Sometimes a code will show up as pending in the ECU without throwing a CEL.

kittens · 09-22-2014, 05:59 PM

Nope but I could just go to pep boys right? It's possible a code can appear without the light?

SouthArk370Z · 09-22-2014, 06:01 PM

Quote:

Originally Posted by Chuck33079

Do you have a code scanner? Sometimes a code will show up as pending in the ECU without throwing a CEL.

Yep. If you're going to do any troubleshooting on a modern car, you need at least a DTC scanner. Cars nowadays are pretty good at diagnosing themselves and most of the time all you need to do is grab the DTC and Google it. With an OBD/CAN monitor, you can look at real-time parameters and look for things that aren't in spec.

SouthArk370Z · 09-22-2014, 06:03 PM

Quote:

Originally Posted by kittens

Nope but I could just go to pep boys right? It's possible a code can appear without the light?

Many auto parts store will loan/rent you a scanner. If Pep Boys gives you any static about a loaner, go to the next store. As cheap and as handy as a scanner is, I suggest buying one.

aszyd · 09-22-2014, 06:05 PM

:

Quote:

Originally Posted by wanker

That doesn't sound like limp mode. Something else is going on.

Thanks to the e-throttle, limp mode is quite smooth, it just does not rev as fast or far, no matter how much throttle you give it.

There's a bunch of stuff that can trigger it too, not just engine issues. I got limp mode after testing my headlight mods. I had both lights off of the car and can only assume that it did not like being turned on in that state. It went away after turning the car off and back on again.

Off the top of my head, my car was really unhappy when I forgot to reconnect the crank position sensor after installing a flywheel. Maybe the sensor or wiring is damaged. As the others have recommended, a code scanner is the best way to start the diagnosis path.

Chuck33079 · 09-22-2014, 06:06 PM

Quote:

Originally Posted by SouthArk370Z

Many auto parts store will loan/rent you a scanner. If Pep Boys gives you any static about a loaner, go to the next store. As cheap and as handy as a scanner is, I suggest buying one.

Every car guy should own one. It's up there with a torque wrench in terms of necessity for modern cars.

Chuck33079 · 09-22-2014, 06:40 PM

If you've got an Uprev cable (or a friend with one) you can pull codes with it as well using Cipher.

kenchan · 09-22-2014, 07:18 PM

Quote:

Originally Posted by kittens

Nope but I could just go to pep boys right? It's possible a code can appear without the light?

yah, keep us posted which code you got.

Limeybastard · 09-22-2014, 07:27 PM

Quote:

Originally Posted by Chuck33079

Every car guy should own one. It's up there with a torque wrench in terms of necessity for modern cars.

Which one would you recommend for a base car that has no bluethooth? I am assuming the one that connects directly to the obd2 port under steering wheel?

Never mind, a quick google search and found it..

OBD II scanner/reader

kittens · 09-23-2014, 12:56 AM

Shiit if it's 18 bucks I'll just buy one lol

09-22-2014, 05:41 PM	#1 (permalink)
kittens Enthusiast Member Join Date: May 2013 Location: Central NJ Posts: 412 Drives: 2009 Nissan 370Z Rep Power: 12	Finally got limp mode So I wasn't able to go past 3500 rpm and it was violently sputtering once I hit that mark. Oil was at 190 and in the middle of L and H. I turned car off and on didn't go away. I then turned it off again checked the oil let it sit for 10 mins and now no more limp mode. Hopefuly this is a one time thing or do I needs to fix something? I looked around and think I am fine

09-22-2014, 05:46 PM	#2 (permalink)
Arrvaxx A True Z Fanatic Join Date: Jul 2013 Location: Whore Island, MN Posts: 1,243 Drives: 40th F.I. Twin Turbo Rep Power: 18	Only 190? o.O fuct likes this. __________________ 2010 370Z 40th Anniversary (#480 born 1/19/2010) Fast Intentions Twin Turbo \| Varis Arising II \| Limited Edition Recaro Sportster \| Tuned by Specialty Z \| 604hp 525 torque @14lbs boost on 100 octane

09-22-2014, 05:49 PM	#3 (permalink)
Jordo! A True Z Fanatic Join Date: May 2010 Location: nirvana Posts: 6,394 Drives: 2023 NATM Rep Power: 418	You sure it wasn't 290? fuct likes this. __________________ Enjoy it. Destroy it.

09-22-2014, 05:52 PM	#4 (permalink)
wanker Enthusiast Member Join Date: Apr 2014 Location: San Diego Posts: 443 Drives: 2011 370Z S/T A7 Rep Power: 2901	That doesn't sound like limp mode. Something else is going on. onzedge and aszyd like this.

09-22-2014, 05:57 PM	#6 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29538	Do you have a code scanner? Sometimes a code will show up as pending in the ECU without throwing a CEL. SouthArk370Z likes this. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

09-22-2014, 05:55 PM	#5 (permalink)
kittens Enthusiast Member Join Date: May 2013 Location: Central NJ Posts: 412 Drives: 2009 Nissan 370Z Rep Power: 12	It definitely wasn't 290 haha is there something else going on? Wish I got a video

09-22-2014, 05:59 PM	#7 (permalink)
kittens Enthusiast Member Join Date: May 2013 Location: Central NJ Posts: 412 Drives: 2009 Nissan 370Z Rep Power: 12	Nope but I could just go to pep boys right? It's possible a code can appear without the light?

09-22-2014, 06:40 PM	#12 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29538	If you've got an Uprev cable (or a friend with one) you can pull codes with it as well using Cipher. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

09-23-2014, 12:56 AM	#15 (permalink)
kittens Enthusiast Member Join Date: May 2013 Location: Central NJ Posts: 412 Drives: 2009 Nissan 370Z Rep Power: 12	Shiit if it's 18 bucks I'll just buy one lol

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