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2013 386

Discussion in 'Peterbilt Forum' started by steve092, Dec 4, 2017.

  1. Dec 4, 2017 #1
    steve092

    steve092 Light Load Member

    298
    79
    Dec 7, 2015
    0
    Hey guys, so after me being away for 4 days I start the truck this morning and there is an engine light. Mechanic had a look at it and said it's a aftermarket nox sensor. He tried resetting the engine light and it would not go.

    Question is... WHERE IS THIS POS SENSOR????? dealer wants $1400.00

    Mechanic wants $1000.00

    I want to know where it is!

    Mechanic said drive it and see if it might go since it was never there before. Had no luck.
     
    steve092, Dec 4, 2017
    steve092, Dec 4, 2017
    #1
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  3. Dec 4, 2017 #2
    bjytech

    bjytech Light Load Member

    244
    221
    Nov 9, 2013
    Ohio
    0
    Nox sensor is in the exhaust, you may have 2 of them, one after the turbo but before the DOC and another after the SCR catalyst. Last one I replaced for a cummins was around $600 just for the part, plus they tend to pull the threads out if they've been in there a while (even with plenty of heat and lube) which can make things interesting... sometimes requiring the port that they thread into needing retapped or reworked/replaced.
     
    bjytech, Dec 4, 2017
    bjytech, Dec 4, 2017
    #2
  4. Dec 4, 2017 #3
    steve092

    steve092 Light Load Member

    298
    79
    Dec 7, 2015
    0
    Thanks for the bad news bro appreciate it.
     
    steve092, Dec 4, 2017
    steve092, Dec 4, 2017
    #3
  5. Feb 27, 2018 #4
    BandBSowards28

    BandBSowards28 Bobtail Member

    29
    4
    Feb 27, 2018
    0
    Hey there. Extremely new to all this so I know this is going to make me look clueless. Nonetheless, what did you mean by “threads” in your reply to the initial poster? You said they “pull the threads out”. What are the threads? Thanks!
     
    BandBSowards28, Feb 27, 2018
    BandBSowards28, Feb 27, 2018
    #4
  7. Mar 1, 2018 #5
    DL550CAT

    DL550CAT Road Train Member

    1,427
    1,482
    Oct 18, 2009
    Waynesburg, Pa
    0
    Like on a nut and bolt. Picture unscrewing a bolt and the threads from the nut sticking to the bolt and pulling out
     
    DL550CAT, Mar 1, 2018
    DL550CAT, Mar 1, 2018
    #5
    BandBSowards28 Thanks this.
  8. Mar 1, 2018 #6
    BandBSowards28

    BandBSowards28 Bobtail Member

    29
    4
    Feb 27, 2018
    0
    See that’s what I mean thought it meant but wasn’t sure so wanted to clarify in case in the trucking world “threads” lingo meant something else on these Diesel engines.
     
    BandBSowards28, Mar 1, 2018
    BandBSowards28, Mar 1, 2018
    #6
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