Replacing the NOX sensors

Discussion in 'Ask An Owner Operator' started by gekko1323, Oct 14, 2025.

  1. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Go OEM, I did, replaced both on my 2014 ISX. Had a shop do it, I didn’t want to fight them, and the shop did have a hard time removing them. They didn’t damage them, remember, they are cores and you will be charged if they’re damaged. And like mentioned, you need to program the ECM.
     
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  3. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    Dinex is your best bet for aftermarket. DO NOT EVER USE DORMAN!
     
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  4. gekko1323

    gekko1323 Road Train Member

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    Yeah, I picked up a load of parts today at the Fleetpride warehouse in Odessa TX. So while I was there I went to the counter to see if they had them. They did, but only Dorman. So I passed. Do you think I should first try to clean the ones I have to buy a few months time?
     
  5. North Pole Nightmare

    North Pole Nightmare Heavy Load Member

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    OTR tool is good.You can do a regen if needed,mine is about once a month.
    You can go on live data and see everything that's going on,see all the temps and stuff,see what the sensors are reading.
     
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  6. BillMot

    BillMot Light Load Member

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    Yeah, Dorman sensors are out there, and plenty of guys run them. They are cheaper than OEM, and for some trucks they do the job. That said, they can be hit or miss. Some truckers swear by them, others say they don’t last as long as Delphi, Skyline, Dinex, or Grizzly Air.
     
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  7. Siinman

    Siinman Road Train Member

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    Go OEM on this one.
     
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  8. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    He seems to wanna go the less expensive route, from my experience and plenty of individuals I know, all have said to go OEM on these 2 sensors(in and out). I prefer to pay once. :D
     
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  9. Ridgeline

    Ridgeline Road Train Member

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    Go get it done by volvo and be done with it, once you start going generic, it ends up costing more. Believe me, I have proof of that.
     
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  10. gekko1323

    gekko1323 Road Train Member

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    Thanks guys. I'll bite the bullet. Volvo prices are unforgiving though.
     
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  11. gekko1323

    gekko1323 Road Train Member

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    Well, the code disappeared! So what gives? Is it an electrical issue? Electronic? Or did the sensor just clean itself? I noticed the soot level has dropped. Is it normal for codes to just randomly appear and disappear?
     
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