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Deff pump problem on 2011 Volvo D13

Discussion in 'Volvo Forum' started by aunimni, Apr 15, 2021.

Page 2 of 2
  1. May 17, 2021 #11
    aunimni

    aunimni Bobtail Member

    17
    4
    Apr 16, 2016
    0
    Still waiting on your answer buddy!?
     
    aunimni, May 17, 2021
    aunimni, May 17, 2021
    #11
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  3. May 17, 2021 #12
    aunimni

    aunimni Bobtail Member

    17
    4
    Apr 16, 2016
    0
    Where is the location of def return valve!?!?
     
    aunimni, May 17, 2021
    aunimni, May 17, 2021
    #12
  4. May 19, 2021 #13
    Rob100100

    Rob100100 Light Load Member

    206
    122
    Mar 5, 2016
    0
    did you take it to a volvo shop or a good 2nd party shop yet
    Code is as followsFMI5•Currentbelownormaloropencircuit•Opencircuit•MILilluminated•Notpossibletoperformafterrun•Faultyharness•Faultyconnector•AftertreatmentDEFpumpassemblyfailureFMI7•Mechanicalsystemnotrespondingoroutofadjustment•Possiblemechanicalproblemwithaftertreatmentdieselexhaustfluid(DEF)returnvalve•MILilluminated•Notpossibletoperformafterrun•Mechanicalfault–DEFreturnlinerestrictedbetweenDEFpumpandDEFtank•AftertreatmentDieselExhaustFluid(DEF)pumpassembly

    See https://class8truckparts.com/media/file/volvo-truck-diagnostic-codes.pdf

    A good link your codes are on page 71

    It could be many things, and you need someone with the knowledge to figure this out. It might be several reasons or just one. I would bet on somewhere in the acm wiring harness it has greened in some connection but that is just a guess. And it is a guess.
     
    Rob100100, May 19, 2021
    Rob100100, May 19, 2021
    #13
    aunimni Thanks this.
  5. Feb 17, 2022 #14
    aunimni

    aunimni Bobtail Member

    17
    4
    Apr 16, 2016
    0
    the pump that we put in was after market one Bosch. Maybe we got bad pump. Who knows. For the past 2 years still same issue. Truck doing parking Regan every 5.000 - 10.000 miles. Still have SPN 4376 fmi 5. Anybody out there with same issue or fix for this problem!?
     
    aunimni, Feb 17, 2022
    aunimni, Feb 17, 2022
    #14
  7. Feb 17, 2022 #15
    aunimni

    aunimni Bobtail Member

    17
    4
    Apr 16, 2016
    0
    I forget add that truck use very little def fluid and soot level is very good. I clean dpf filter last summer. Never took to shop for reset parameters for dpf.
     
    aunimni, Feb 17, 2022
    aunimni, Feb 17, 2022
    #15
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