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2003 Maxima empty plug on engine not connected

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Old 04-30-2018 | 08:07 PM
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Austin Gilson's Avatar
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2003 Maxima empty plug on engine not connected

Hello
I tried to up load Pictures but they don't come up.

I had just bought this 2003 Maxima for $800 at a police auction everything seems to work fine and it was a job to clean up.

When i looked on the engine their is a plug in connector thats not connected.Is it for some type of Diag; tool Also their is a slip if you take off to fast but if you go normal its their but not that loud slip knock.Also i had to add 2 qt of Oil when i drove it home.It had a Diag test done in 5/17/17 and it stated that the SLP And ECS Off lights were on what are those for.

They also mention that the Ti-Rods both Inner and outer need replacement looks easy enough to do.

Below are the URL's for the Plug maybe that will come up Figured it out had to upload as an attachment Thanks Austin

Also do you think that a good deal for $800.

2003 Maxima empty plug on engine not connected-31603766_10211730912613667_4592694892815187968_n.jpg2003 Maxima empty plug on engine not connected-31563895_10211730911853648_384041196625854464_n.jpg

the plug

The plug 1


Last edited by Austin Gilson; 04-30-2018 at 08:15 PM.
Old 04-30-2018 | 08:09 PM
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2003 Maxima empty plug on engine not connected-1.jpg2003 Maxima empty plug on engine not connected-2.jpg2003 Maxima empty plug on engine not connected-3.jpg2003 Maxima empty plug on engine not connected-4.jpg2003 Maxima empty plug on engine not connected-5.jpg2003 Maxima empty plug on engine not connected-6.jpg2003 Maxima empty plug on engine not connected-7.jpg2003 Maxima empty plug on engine not connected-8.jpg2003 Maxima empty plug on engine not connected-9.jpg2003 Maxima empty plug on engine not connected-91.jpg
Old 04-30-2018 | 08:11 PM
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2003 Maxima empty plug on engine not connected-92.jpg2003 Maxima empty plug on engine not connected-93.jpg2003 Maxima empty plug on engine not connected-94.jpg2003 Maxima empty plug on engine not connected-95.jpg2003 Maxima empty plug on engine not connected-96.jpg2003 Maxima empty plug on engine not connected-98.jpg2003 Maxima empty plug on engine not connected-99.jpg2003 Maxima empty plug on engine not connected-991.jpg2003 Maxima empty plug on engine not connected-999.jpg
Old 04-30-2018 | 11:20 PM
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Originally Posted by Austin Gilson
I had just bought this 2003 Maxima for $800 at a police auction everything seems to work fine and it was a job to clean up.

When i looked on the engine their is a plug in connector thats not connected.Is it for some type of Diag. tool
No. The brown plug is for your electronically-controlled engine mounts. The previous owner disconnected them to avoid ECU damage. This is a good thing - my document about ECU damage prevention explains (see the last link in my signature).

Originally Posted by Austin Gilson
Also their is a slip if you take off to fast but if you go normal its their but not that loud slip knock. Also i had to add 2 qt of Oil when i drove it home.It had a Diag test done in 5/17/17 and it stated that the SLP And ECS Off lights were on what are those for.

They also mention that the Ti-Rods both Inner and outer need replacement looks easy enough to do.
Not sure what you are trying to say. However, as a new owner of a car with unknown past, you should replace all your fluids. Re. your AT/ATF, do the triple drain-and-flush; it will help, and it may even fix, your slip problem.
Old 04-30-2018 | 11:35 PM
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Delete precats and hope engine isn't already trashed.
Old 05-01-2018 | 07:43 AM
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Originally Posted by Child_uv_KoRn
Delete precats and hope engine isn't already trashed.
??????????
Old 05-01-2018 | 07:46 AM
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Originally Posted by maxiiiboy
No. The brown plug is for your electronically-controlled engine mounts. The previous owner disconnected them to avoid ECU damage. This is a good thing - my document about ECU damage prevention explains (see the last link in my signature).


Not sure what you are trying to say. However, as a new owner of a car with unknown past, you should replace all your fluids. Re. your AT/ATF, do the triple drain-and-flush; it will help, and it may even fix, your slip problem.
Will do Thanks Austin
Old 05-01-2018 | 08:40 AM
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Originally Posted by Child_uv_KoRn
Delete precats and hope engine isn't already trashed.

Hi OK
I 'm new & Ignorant on this car so i was wondering what the PRECATS are look it up i guess it is a program code.I Guess i need to get rid of this car or learn it.I learn CNC Coding to prototype machining for my lathe and Mill. But sold them but i had friends that knew it.

How are those programs for android that you can buy for these cars to analyze them Or would a program for a laptop be better. I really like the car like my Datsun 240Z 1972 but that had to go.I tore down the Transmission in that when 2nd gear shear pin sheared and fixed it but that was 30 years ago and i could do that work.

It's a big difference from a 240 to the Maxima either get with it or don't try i guess Thanks Austin
Old 05-01-2018 | 10:06 AM
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Get Nissan datascan ii or ndsii. If you can get the correct cage Com cable and the windows version as the Android leaves out some of the best features.
Old 05-01-2018 | 10:29 AM
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Originally Posted by Whostheboog
Get Nissan datascan ii or ndsii. If you can get the correct cage Com cable and the windows version as the Android leaves out some of the best features.
Hi & Thanks for the info I think I'll use this laptop i have that has nothing on it and just use it for the Car.Also here's a video of the Car running i didn't take off fast so you can't hear the slip / knock happening I don't drive fast and used to a KEWE SUV 4 cyc engine. I doubt very much it get 30 mpg but i drove it for 10 miles normally up to 60 mph be nice if that's the mpg ;-)

Many Thanks Again Austin
2003 Maxima empty plug on engine not connected-7.jpg


Old 05-01-2018 | 01:00 PM
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Very welcome that's why I do with my tablet laptop. Just the cars. Get those cats off, gutted, or replaced. On the automatic I have since I wasn't shooting for performance I did cheap ebay headers, ypipe, and bought stainless steel o2 bungs. Have yet to install the bungs. You got the vq35 which is pricier than my vq30deksbut more powerful, popular, and missing the the quirks mine have. You will do yourself a favor an keep those engine mounts unplugged though even when the time comes for new ones don't hook them back up...
Old 05-01-2018 | 01:04 PM
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Also when you aquire datascan ii be sure and advance your timing 2°. It is well recommended and research these cars a lot. Apparently the only reason Nissan sent them down from 17° to 15° was so regular gas would work in them. Thing is these cars hate regular gas anyways. Don't put regular in after you advance timing though. Do not. Lol good luck with the car it's nice. $800 is a steal
Old 05-01-2018 | 11:56 PM
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Originally Posted by Austin Gilson
Hi OK
I 'm new & Ignorant on this car so i was wondering what the PRECATS are look it up i guess it is a program code.I Guess i need to get rid of this car or learn it.I learn CNC Coding to prototype machining for my lathe and Mill. But sold them but i had friends that knew it.

How are those programs for android that you can buy for these cars to analyze them Or would a program for a laptop be better. I really like the car like my Datsun 240Z 1972 but that had to go.I tore down the Transmission in that when 2nd gear shear pin sheared and fixed it but that was 30 years ago and i could do that work.

It's a big difference from a 240 to the Maxima either get with it or don't try i guess Thanks Austin
catalytic converters destroy every 5.5 gen sooner or later
Old 05-05-2018 | 07:14 PM
  #14  
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Originally Posted by Whostheboog
Also when you aquire datascan ii be sure and advance your timing 2°. It is well recommended and research these cars a lot. Apparently the only reason Nissan sent them down from 17° to 15° was so regular gas would work in them. Thing is these cars hate regular gas anyways. Don't put regular in after you advance timing though. Do not. Lol good luck with the car it's nice. $800 is a steal
Hello & Thanks for the Info i ordered a bluetooth reader online and downloaded the app you aid i was going to buy 1 at the parts store but their $100 bucks i hope this one works it's the ELM one thanks Again Austin

If their anybody in North Central Kansas Zip 67467 and have some parts for sale PM Me ok thanks again
Old 05-10-2018 | 02:12 PM
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Originally Posted by Whostheboog
Get Nissan datascan ii or ndsii. If you can get the correct cage Com cable and the windows version as the Android leaves out some of the best features.
Originally Posted by Whostheboog
Get Nissan datascan ii or ndsii. If you can get the correct cage Com cable and the windows version as the Android leaves out some of the best features.
I should of listen to you but i don't have a laptop yet Next month maybe

So i got the ELM327 1.5 B/T one for 15 bucks and none of the NDS work i bought the NDSII and it connect and then it say inI Failed .Bu i had tried other apps like Torque and ecu doc and hey both work but i don't like em i like the NDS one and i guess like you said use a windows version

but it did do a Diag test and is as follows

Thanks Austin

2003 Maxima empty plug on engine not connected-32169010_10211796920223816_4316626764534120448_n.jpg2003 Maxima empty plug on engine not connected-32169704_10211796912543624_2664010266286489600_n.jpg2003 Maxima empty plug on engine not connected-32207341_10211796903463397_4959594917912379392_n.jpg
Old 05-11-2018 | 05:21 AM
  #16  
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I don't remember what all features are left out on the android version but you can can program keys, clear self learn, perform idle volume relearn, advance timing 2° as everyone advises, diagnostics, view, and record live data. Even has a wide band o2 program it can double as for you...
Old 05-12-2018 | 05:44 PM
  #17  
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Originally Posted by Whostheboog
I don't remember what all features are left out on the android version but you can can program keys, clear self learn, perform idle volume relearn, advance timing 2° as everyone advises, diagnostics, view, and record live data. Even has a wide band o2 program it can double as for you...
Thanks for the advice and here;s a pic of the cannon i made i have other pictures but i didn't want to go off topic too much thanks again Austin

2003 Maxima empty plug on engine not connected-28575734_10211311376725532_5460603003470625990_n.jpg
Old 05-12-2018 | 07:04 PM
  #18  
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Yeah those maroon colored plugs are fine capped off.
So you know the 12V's comes direct from the battery bypassing the ENG cont relay switch so the voltage is constant even after shutting the car off.

The motor mounts are cheap and fail creating a buzz noise after you shut the car off when theyre connected.
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