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Old 11-08-2004, 10:00 AM
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cquence 350 [Z]
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Default Greddy TT and SES

Has any of you guys have your SES come on with the Greddy TT kit? Mine is on and the shop said that it is an O2 sensor that will just keep on staying on. Is this true? If so, is there any way to bypass it and trick it to stay off? He said he talked to Greddy and Greddy said that it will keep on staying on. Fill me in guys I need some help. Thanks in advance
Old 11-08-2004, 10:08 AM
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etx
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If you remove an o2 sensor or unplug it, yeah you will get a SES light. What is wrong with the sensor, and what sensor is it?
Old 11-08-2004, 10:17 AM
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cquence 350 [Z]
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he didnt say, but just told me that the O2 sensor is what causing the light to go on and that Greddy said it suppose to stay on cause it was never tested. should I go to the shop to get the code and post it here and maybe someone can help?
Old 11-08-2004, 10:19 AM
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I havent gotten an ses with the greddy tt. It may be because i have an 02 simulator.
Old 11-08-2004, 10:21 AM
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cquence 350 [Z]
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I thought the O2 simulator was suppose to bypass the SES. It was suppose to trick the ECU. Am I wrong?
Old 11-08-2004, 10:23 AM
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yup it does trick the ecu.
Old 11-08-2004, 10:26 AM
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cquence 350 [Z]
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so what should I do? Go to the shop and write down the code and post it or leave it? And where can I get an O2 sensor?
Old 11-08-2004, 10:29 AM
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cquence 350 [Z]
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I saw the O2 simulator on ebay. Is this the same ones you have?

http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW
Old 11-08-2004, 10:30 AM
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cquence 350 [Z]
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I saw the O2 simulator on ebay. Is this the same ones you got?

O2 simulator on ebay
Old 11-08-2004, 12:56 PM
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etx
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Post the OBDII code. That will help. You can't fix a problem if you cannot pinpoint the problem in the first place.

And that simulator is emulates the o2 sensor output. Not the heater circuit which the ecu seems to worry about even more. I just built a sim from parts from radio shack, simulates the signal and the heater.
Old 11-08-2004, 04:53 PM
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7 eleven
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You should not have a SES light. Do you have a 03 or 04 Z?
Do you have Test pipes?

The 03's can run with test pipes and still not recieve a SES due to the O2 sensor. I been doing so for 8 months.

Gary
Old 11-08-2004, 05:07 PM
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cquence 350 [Z]
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I have an 04 and my SES is on. I am going to the shop tomorrow to get the light reseted and get the OBD II code and I will post it on here. Then maybe you guys can help me out more.
Old 11-09-2004, 07:03 AM
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etx
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Originally posted by 7 eleven
You should not have a SES light. Do you have a 03 or 04 Z?
Do you have Test pipes?

The 03's can run with test pipes and still not recieve a SES due to the O2 sensor. I been doing so for 8 months.

Gary
As long as your heater circuit is active the ECU will not throw a code on a 03 model.

This is the sim that someone had said works, I'm not sure as I have not used it. https://www.casperselectronics.com/M...ry_Code=nissan
Old 11-09-2004, 10:38 AM
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cquence 350 [Z]
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Okay just got back from the shop and having the ECU reseted. The code reads P0300 - random misfiring. Okay to drive. THats what it reads. So what should I do guys?
Old 11-25-2009, 07:59 AM
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Originally Posted by cquence 350 [Z]
Has any of you guys have your SES come on with the Greddy TT kit? Mine is on and the shop said that it is an O2 sensor that will just keep on staying on. Is this true? If so, is there any way to bypass it and trick it to stay off? He said he talked to Greddy and Greddy said that it will keep on staying on. Fill me in guys I need some help. Thanks in advance

I have an 05 with a greddy tt. had the same exact code p0300. i just reset the ses with my obd 2 scanner and it hasn't come back on since. its been only 2 weeks though. But what I really want to do is disconnect my lower o2 sensors and put in my innovate afr gauge. I dont know if it will work though. does anyone know how to hook up an 02 simulator without wiring it in parallel with the actual sensor. I had to splice my other 02 simulator with my 02 sensor on my old car.
Old 11-25-2009, 08:03 AM
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Originally Posted by cquence 350 [Z]
Okay just got back from the shop and having the ECU reseted. The code reads P0300 - random misfiring. Okay to drive. THats what it reads. So what should I do guys?

from what i understand, the ses will come on and put out an error code after it gets the same error reading after series of driving periods. In other words the random misfiring has been happening for a while. you might want to look into that. I had the same code. but before i reset the light i switched the spark plugs from my #3 cylinder. assuming the 3 in the code means cyl 3. So if another code is thrown like p0400 then I know that plug was bad. Then again i could be making a big deal out of nothing.

Last edited by Ddc665; 11-25-2009 at 08:15 AM.
Old 11-25-2009, 09:16 AM
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bump
Old 11-27-2009, 11:41 AM
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My ses just came back on today. I have to see if it's the same code. I'm thinking to going with the power fc to fine tune my motor. I think the reflash from techno square was good but the differences between Hawaii and the other states worry me. Like ambient temps, humidity, and altitude.
Old 11-27-2009, 05:05 PM
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the P0300 is normal with most FI 350z. If you look up that code..you will see that it's ok to drive and wouldn't hurt your car. I drove my car like that for a while now. The only problem it cause is getting the car inspected. I have to sent my ecu to get it disable.
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