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[email protected] 01-21-2016 11:08 AM

Camshaft Sensor replaced - now wont start
2005 Nissan Maxima SL
P0011 P0012
Camshaft Sensor

Hi, I was having all of the issues that occur with a bad camshaft sensor. I had the auto parts store tell me why the "Service Engine Soon" light was on. Indeed, this was the problem. This was a very easy fix; one 10 millimeter bolt removed, slide the adapter out, unhook the prong. Then, reverse all and it should work.
I did all this and put the sensor in. Now, everything is working the way it should. BUT when I screwed the new camshaft sensor in the car won't start. I unscrew the bolt and it starts right up. I do not understand this and I am no mechanic by any means. Can anyone please tell me why the car will not start once I screw this new part in yet will start with the new part in just not screwed????? This is a terrible dilemma. I can't drive the car for fear that this will just fall out while I am driving and this is the only vehicle I own.
Thank you for any and all help.

[email protected] 01-21-2016 04:21 PM

Anybody have any ideas? I desperately need my car to work and I don't have the money to bring it to a garage.

smj999smj 01-21-2016 07:29 PM

You got a bad sensor; I've run into several bad cam position and crank position sensors for Nissans from aftermarket brands that were either bad right out of the box or lasted only a few days or a couple of weeks. I recommend sticking with genuine Nissan sensors.

[email protected] 01-22-2016 03:10 PM

This was fresh out of the box. But ok, thanks - I'll try that.

bennyb53 01-23-2016 01:20 AM

Grounding issue. I agree with "smj999smj". For this component I only use genuine Nissan part. Defects in workmanship. When you screw in the mounting bolt it also serves as ground. You should return it.

[email protected] 01-24-2016 10:42 AM

Ahh ok. So I returned the one I bought at autozone and got another one from them and have the same exact problem. Then, I tried yet another one from autozone and the same problem.
I went to advance auto parts and bought one from them. SAME problem.

When I put this new camshaft position sensor in and screw it in my car wont start. When I unscrew it my car starts.

When I put the old one back in - the car starts up fine but runs poorly.

A guy at advance said that he thinks that the new sensor is throwing off the old sensor so I either need to replace them both or try a genuine Nissan part. The problem is that it's an aftermarket that I removed in the first place.

Also, I'm doing this all myself because I can't afford to bring it to a mechanic so I learned how to change bank 2 on youtube.

Do I need to change bank one and two at the same time or just use a genuine Nissan part for bank 2.

I can't afford to do both banks with Nissan parts because the part is double the price.
Also, if I put the new Nissan part in - will it throw off the other sensor in bank 1???

Thanks for the help everyone...

My codes are P0011 P0012

It came up as bank 2 camshaft position sensor.

bennyb53 01-24-2016 12:02 PM

1. Try swapping and see what happens.....meaning install the new sensor on Bank1. (2) shop online. first get the part #(nissan part #) and shop at amazon,,, (3) also make sure contact surface is clean and free of oil or dirt.

[email protected] 01-24-2016 02:28 PM

Thank you for the help. So your saying to just buy one of the parts (bank 2) and see if that works?
It is a lot cheaper on amazon thank you so much. I never would have guessed. It's over $100 less.... thank you

bennyb53 01-24-2016 04:28 PM

Okay so I'm assuming you already return the after market cam sensor. In that case, just wait till you get the Nissan part.

[email protected] 01-24-2016 04:57 PM

Ok, I'm going to order a genuine Nissan part today. It's not the price I thought but I guess I need it.
My question is now,
Will I have to buy both sensors, Bank 1 and Bank 2, or will I only need to buy the Bank 2 sensor since it's the one that's coding?

smj999smj 01-24-2016 09:09 PM

P0011 and P0012 are not cam position sensor codes....they are codes for intake valve timing performance, banks 1 and 2. These links might be helpful, but I would suggest diagnosing the problem using the factory service manual "EC" chapter for your vehicle, although some of the testing would require a scan tool that has active testing for the valve timing actuators.


P0011 NISSAN Intake Valve Timing Control Performance Bank 1 | AutoCodes


P0012 NISSAN Intake Valve Timing Control Performance Bank 2 | AutoCodes

Since both banks are affected, I would check for an oil issue (low level or dirty) first, before replacing any parts.

[email protected] 02-01-2016 11:09 AM

OK. So, I had the oil changed. Same problem. That didn't work.
I ordered the genuine Nissan part and tried that. This time my car does start with the genuine part in it - but it is not fixed. When I got up to 60 miles per hour I had it floored and I wasn't getting any faster and then it started bucking. It wasn't doing that at lower speeds.
So, I put back in the old camshaft sensor and that didn't do the bucking at all. It just gets stuck in 5 gear and shifts terribly.

I went to get the car inspected today and it failed due to codes: P0011 and P0021

This problem is not fixing itself and I cannot afford to bring this to a mechanic. I just bought this used Maxima 2 weeks ago and had to borrow money to buy it and register it plus insure it. Now, I'm screwed. I don't know what's going on with it. Can someone please tell me? Any ideas? What else can I try? It's not the oil nor camshaft sensor yet is throwing that code....

Thank you

Steveb90605 07-06-2019 09:59 AM

Any Luck
I am having the same problem. I am not getting any codes at all. There is power to the cam sensor

Tieshaduh 08-15-2019 05:53 AM

Camshaft Sensor replaced now wont start
Try bleeding the air out of the fuel filter. Very easy to do. Just ask if you need help. Could also be a plugged up filter. When is the last time it was replaced? ;-)

smj999smj 08-17-2019 07:53 PM

Most late model Nissans don't have a serviceable fuel filter; it's part of the fuel pump module in the gas tank.

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