SCR Performance low, engine will derate IN..

Discussion in 'Volvo Forum' started by AlexD13, Aug 23, 2017.

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  1. nasriza

    nasriza Road Train Member

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    5348 its not a nox code, i believe nox codes are 3226 and 3216 for output and intake.
     
    nasriza, Sep 6, 2017
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  2. AlexD13

    AlexD13 Light Load Member

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    Sorry 5348 wasn't that code but he is saying tempurture is Showing high which can resault from faulty Nox
     
    AlexD13, Sep 6, 2017
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  3. shogun

    shogun Road Train Member

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    I thought 5348 had something to do with the def pressure, you need to know the corresponding family number to be sure. It will be spn 5348 fmi 1-18 or so.

    Correction, I was thinking of 5443, fmi 7. Carry on.
     
    Last edited: Sep 6, 2017
    shogun, Sep 6, 2017
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  4. AlexD13

    AlexD13 Light Load Member

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    It was 5394
     
    AlexD13, Sep 6, 2017
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  5. nasriza

    nasriza Road Train Member

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    Now this is low efficiency code that is usually most likely caused by nox the biggest ##### to fix.
     
    nasriza, Sep 6, 2017
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  6. AlexD13

    AlexD13 Light Load Member

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    Just got it back. Ceossing my fingers that #### light doesn't come back. Changed both sensors
     
    AlexD13, Sep 6, 2017
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  7. BUMBACLADWAR

    BUMBACLADWAR Road Train Member

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    Well...these Things (codes/derate) have a Habit of Coming Back.Recommend changing the Def filters (all of them) and doing a long Regen 1000° + for 45 minites.You can "smell the stuff burning out.JMO
     
    BUMBACLADWAR, Sep 6, 2017
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  8. Chickenhawk33880

    Chickenhawk33880 Bobtail Member

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    Constantly having trouble with my 10 ISX. Currently in derate mode. Heading to shop on Monday.
     
    Chickenhawk33880, Oct 22, 2017
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  9. Typhoon22

    Typhoon22 Bobtail Member

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    Hi Alex my name is Edgar, I have same problem 5394 cod,And I am tired to change stuff in this truck still I am getting 5394: If it’s possible you can tell me finally what was the problem in your truck
    thank you
     
    Typhoon22, Oct 31, 2018
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  10. AlexD13

    AlexD13 Light Load Member

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    We changed the Nox Sensors
     
    AlexD13, Oct 31, 2018
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