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P0301 code...possible cause of SSIM?

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Old 11-27-2007, 06:21 PM
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P0301 code...possible cause of SSIM?

I just put the SSIM on my car a few weeks ago and it runs fine...well a few days afterward it threw the P0301 code (misfire in cylinder 1), everyone I've talked to just says get new plugs but my dad thinks that maybe the manifold is making the car do this...I reset the ECU and the code stayed off for about 1 1/2 weeks and then I started the car to warm up and then when I got in I noticed the SES light was on again...so it's something with the idle...do you think the code is just a quisedence and I need new plugs or do you think that maybe my intake manifold is doing this.
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Old 11-27-2007, 06:46 PM
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actually sounds like a bad coil to me
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Old 11-27-2007, 06:51 PM
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I would go with a bad coil too, but if you haven't checked your plugs recently (25-30k), check them too for sure
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Old 11-27-2007, 06:56 PM
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I was thinking about that...I was gonna switch the coil from 1 and 2 and then see if it throws a P0302 (misfire in cylinder 2) then I will know for sure...thanks for the help. But one more question, ever since the SSIM the car idles sort of different, do you think the Idle Air Volume Re-Learning Procedure would help this?
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Old 11-27-2007, 07:07 PM
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quisedence
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Old 11-27-2007, 07:12 PM
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Originally Posted by soonerfan
quisedence
Yeah...I'll probably replace both the coils and the plugs here pretty soon.
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Old 11-27-2007, 07:15 PM
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Originally Posted by pimpin02max
I was thinking about that...I was gonna switch the coil from 1 and 2 and then see if it throws a P0302 (misfire in cylinder 2) then I will know for sure...thanks for the help.
I tried this same procedure before I got updated coils but was unsuccessful. My coils were misfiring, but inconsistantly it seems. The coils misfired for sure, but it was random I think because they were just starting to go bad.

So if your coils are just starting to fail, you too may be unsuccessful. In theory it's a good idea and is worth a try
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Old 11-27-2007, 07:17 PM
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Originally Posted by Kyle00
I tried this same procedure before I got updated coils but was unsuccessful. My coils were misfiring, but inconsistantly it seems. The coils misfired for sure, but it was random I think because they were just starting to go bad.

So if your coils are just starting to fail, you too may be unsuccessful. In theory it's a good idea and is worth a try
yeah, i had the "random cylinder misfire" indicating that is was more than one and random. so i replaced plugs and coils. went away
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Old 11-27-2007, 07:18 PM
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That could be the case but the code just keeps popping up as misfire in cylinder 1 though...is it possible to only be just the #1 coil? Also how much am I looking at for coils?
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Old 11-27-2007, 07:20 PM
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Originally Posted by pimpin02max
That could be the case but the code just keeps popping up as misfire in cylinder 1 though...is it possible to only be just the #1 coil? Also how much am I looking at for coils?
Dave B.... Less than 400
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Old 11-27-2007, 07:21 PM
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Originally Posted by Kyle00
Dave B.... Less than 400
Holy S*** That much? I better start saving...
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Old 11-27-2007, 07:21 PM
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Originally Posted by soonerfan
yeah, i had the "random cylinder misfire" indicating that is was more than one and random. so i replaced plugs and coils. went away
Now that I think about it.... I first got the cylinder #1 misfire code and then later got the "random cylinder misfire" code which is when I replaced them all
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Old 11-27-2007, 07:48 PM
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Alright I did the idle/air relearning procedure cause I figured it couldn't hurt and I started the car and then the light came on again but the weird thing was that whenever I would rev-up the motor the SES light would go away and then with no throttle it would light back up?
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Old 11-28-2007, 06:53 AM
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Originally Posted by pimpin02max
Alright I did the idle/air relearning procedure cause I figured it couldn't hurt and I started the car and then the light came on again but the weird thing was that whenever I would rev-up the motor the SES light would go away and then with no throttle it would light back up?
I'm guessing you were still in diagnostic mode. You're supposed to do the re-learn, shut it off, then shut it down, and start again for normal operation.
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Old 11-28-2007, 08:52 AM
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That's probably what it was...I reset the ECU again and the code is gone now. But I'm sure it will come back on agiain before I get the coils
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Old 12-01-2007, 01:07 PM
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Well I replaced the coil and it still did it so I took the manifold off and then put my old one back on and guess what...no more problems...so the SSIM was the cause of the bad idle/ P0301 code...
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Old 12-01-2007, 03:37 PM
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You did something wrong, I've had this 'mod' well over 2 years w/o any problems.

SSIM > you
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Old 12-01-2007, 08:59 PM
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Yeah I know...I probably need to do some more polishing, gutting, and then maybe try to put it back on...but as for now it's for sale if someone wants to finish it off...
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Old 12-03-2007, 08:39 AM
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well maybe it was just a quisedence
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Old 12-03-2007, 02:43 PM
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A quisedence??? LOL, man I took off that manifold and put the stock one back on and it fixed the problem...I obviosly didn't do the gutting good enough and that resulted in the problem.
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Old 12-03-2007, 03:10 PM
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well since you have the stock one in and the gutted one out, why not do more work to the gutted one, its not like you need to hurry so you can get it back on to drive. in fact, you could make the baddest of SSIM's to date
 
Old 12-03-2007, 05:30 PM
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Originally Posted by DasYears
well since you have the stock one in and the gutted one out, why not do more work to the gutted one, its not like you need to hurry so you can get it back on to drive. in fact, you could make the baddest of SSIM's to date
Yeah that's what I'm gonna try to do...I'm gonna polish the full upper/lower and the elbow (only the outside on the elbow though, only have 1) and then when I get the Cattman headers/y-pipe and spacers which should be by the end of January I will have it ready to put on. But before I start I was wondering if anybody could get some pics of Nealoc's and that guy off of the other Nissan forum, Nicoclub I think , I can't seem to find theirs, I thought I got the full shelf out but I guess I have somemore to do.

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Old 12-03-2007, 05:34 PM
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it looked like you did it right, you just need to polish the inside while youre at it and get the last little bit near the feed to cyl's 5 and 6. if i were you, i would take out as much material as i could get my hands on
 
Old 12-03-2007, 05:44 PM
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Just to clarify...the 5 and 6 cylinders are the 2 that are on the side opposite to where the blockoff plate goes correct?
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Old 12-03-2007, 06:24 PM
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yeah
 
Old 05-11-2008, 11:17 PM
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other than the car throwin the code could you tell that cylinder #1 was misfiring??
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Old 06-28-2014, 01:28 PM
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Help P0301

Hi Guy,
Thank you everyone for your contribution, I have 02, maxima with a P0301 Code.
now after reading this thread,I decided to change the Coils and spark plugs for all 6 cylinders. However after changing them, I still getting the error code.

I cleared out the code but still the same code comes back

Any suggestion or helps will be kindly appreciated
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Old 06-28-2014, 04:09 PM
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P0301

Originally Posted by G10
Hi Guy,
Thank you everyone for your contribution, I have 02, maxima with a P0301 Code.
now after reading this thread,I decided to change the Coils and spark plugs for all 6 cylinders. However after changing them, I still getting the error code.

I cleared out the code but still the same code comes back

Any suggestion or helps will be kindly appreciated

You need to use OEM Genuine Nissan Ignition coil to solve this problem. I recommend to replace the ignition coil 1,3,5 with OEM Genuine Nissan Coil.
2,4, 6 (accessible) you can use the OEM Nissan Aftermarket parts (rockauto.com) Hitachi brand.
Avoid ebay , online or auto store Aftermarket parts, because this parts sometimes remove the error code but the problem persist.
Good Luck

Last edited by colt149; 06-28-2014 at 04:13 PM.
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Old 06-28-2014, 09:31 PM
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SSIM for over 3yrs now and no issues
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Old 06-28-2014, 10:51 PM
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@colt149 - the OEM stuff are sh*t too...


I bought brand new ones for the rear (3 in total) due to the advice on this forum and they were $$$ but I got a faulty batch. Had to open the car up again, return the coils, wait for the replacement etc but the second ones have been fine so far.

Point being, it might be worth it to risk going aftermarket

Last edited by george__; 06-28-2014 at 10:56 PM.
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Old 06-29-2014, 08:23 AM
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Help P0301

Colt

I think my issue is genuine and not just a false error code. , since the tell tell signs were clear
1. The engine vibrates a lot on idle.
2. White smoke from exhaust

Do you really think that an OEM coils will solve the problem along with changing the gasket like this kid did on his altima



Thanks
G10
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Old 06-29-2014, 09:21 AM
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VQ35DE engine is picky when it comes to sensor. OEM Genuine Nissan parts is the way to go . Aftermarket sensor will last for a short time. Your problem here is the aftermarket ignition coil.
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Old 06-29-2014, 10:05 AM
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ssim for 4 years not one code. If its giving a specific cylinder code then start there, random misfire code well thats different and even then the ssim wouldnt cause that.
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Old 06-29-2014, 12:36 PM
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OEM ignition

Originally Posted by george__
@colt149 - the OEM stuff are sh*t too...


I bought brand new ones for the rear (3 in total) due to the advice on this forum and they were $$$ but I got a faulty batch. Had to open the car up again, return the coils, wait for the replacement etc but the second ones have been fine so far.

Point being, it might be worth it to risk going aftermarket
Depending where you bought it. I bought mine in the Dealership /courtesyparts.
Do you think I depend on it , I use my common sense. I tested the new OEM ignition coils by placing it on the front bank 2,4,6 (accessible) and run the car with it for two days. I have my own OBD II scanner with live feed check for error code and pending error code. Without any code or SES light I am sure that those coil are not defective. I replaced the rear bank with those brand new tested OEM Genuine Coil

Last edited by colt149; 06-29-2014 at 12:52 PM.
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