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2013 Sentra P0101 PCV valve Forums > > 2013 Sentra P0101 PCV valve 2013 Sentra P0101 PCV valve
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Old 02-21-2021, 06:21 AM
sentrajoe sentrajoe is offline
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2013 Sentra
2009 Frontier
Join Date: Feb 2021
Posts: 2
Angry 2013 Sentra P0101 PCV valve

I have a P0101 DTC in my 2013 Sentra SL, I have cleaned the Mass Airflow Sensor several times cleared the code and it ultimately comes back sometimes in a day or two sometimes in a week or more. Checked the air filter and filter box, it was shamefully dirty so I replaced the filter and cleaned the filter housing, also I had to zip tie the upper airbox tube because at some point I noticed the clip was missing and I searched to buy a new one to close the air gap from the tube to the filter box. After searching I realized there was no such clip and that the tube end has a molded in clip that must have been broken off, by I presume the dealership where I took it for a recall a few years ago, so I zip tied the tube to the air filter box. Ok that being done I thought I had solved the DTC but it came back a week later. Now after more research I am looking at the PCV valve and see there is a Technical Bulletin (NTB16-027) that suggest to change the PCV valve if it is colored orange. So I shopped for a replacement and all I can find are new orange ones. My question is why is the orange one significant, can I feel good about replacing the old orange with a new orange one? Is there another PCV valve I should be looking for? I have not yet cleaned or inspected the throttle body yet either.

Last edited by sentrajoe; 02-21-2021 at 06:23 AM.
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Old 02-23-2021, 11:21 AM
NissanTech's Avatar
NissanTech NissanTech is offline
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2004 Xterra
Join Date: Jun 2005
Location: California
Age: 49
Posts: 12,365

The color represents the new design, you could try searching with the part number: 11810-6N202. There are some for sale on Amazon or at your local Nissan dealer. Due to the age of your Sentra, you should do the throttle body cleaning as well.
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Old 02-23-2021, 12:18 PM
sentrajoe sentrajoe is offline
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2013 Sentra
2009 Frontier
Join Date: Feb 2021
Posts: 2

Thank You, I am looking into the throttle body cleaning now. The question I had about the color of the pcv was related to the NTB16-027 service bulletin that says to change the pcv if it is colored orange, but all the ones that fit that vehicle are orange no matter where I shop from. If the new one is also orange would that be ok?

I keep running a scan on the car everytime the DTC comes back and I see there is an out of range IAT temperature in my live datastream also my short term fuel trim B1S2 is at 99.219%

I am preparing to buy anew pcv and grommet , it is orange but that is all i can find that fits this vehicle.
It is driving me nuts.
Any other thoughts would be appreciated.

Last edited by sentrajoe; 02-23-2021 at 12:56 PM. Reason: spelling
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p0101, pcv, sentra, valve

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