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Volvo D13 need advise

Discussion in 'Trucks [ Eighteen Wheelers ]' started by maxya1986, Mar 6, 2015.

  1. Mar 6, 2015 #1
    maxya1986

    maxya1986 Light Load Member

    73
    13
    Feb 17, 2015
    0
    I've got 2012 Volvo with D13 engine and Ishift, my fuel economy really bad. Truck ,makes less than 5 mpg, even while it's idling it takes more than a 1 gph. I did't find any air cooler leaks. I replaced turbo boost sensor, old one was really dirty and no changes. So now I thing my poor fuel mileage because of EGR problem. There is a code on my dashboard SA 0 SPN 411 FMI 8 I can't find what that means. Any thought? Or can someone help me to find what that code means?
     
    maxya1986, Mar 6, 2015
    maxya1986, Mar 6, 2015
    #1
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  3. Mar 6, 2015 #2
    Helowrenchturn2

    Helowrenchturn2 Medium Load Member

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    139
    Apr 23, 2013
    0
    Differential pressure sensor mechanical or electrical fault
     
    Helowrenchturn2, Mar 6, 2015
    Helowrenchturn2, Mar 6, 2015
    #2
  4. Mar 6, 2015 #3
    Johny41

    Johny41 Road Train Member

    1,192
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    Feb 10, 2011
    Ontario, Canada
    0
    I have 1,433,000 miles on original Volvo D13/2008 still getting 7.5-8 mpg with all this cold weather in Ontario pulling dry van , 62mph,average weight loads;
    are you pulling heavy? cold weather? mountains, driving fast? I had problems with both EGR and diff pressure sensor, could be the problem; I would replace the differential pressure sensor first; you can do it yourself; about 120$;
     
    Johny41, Mar 6, 2015
    Johny41, Mar 6, 2015
    #3
  5. Mar 6, 2015 #4
    maxya1986

    maxya1986 Light Load Member

    73
    13
    Feb 17, 2015
    0
    Just replaced Differential pressure sensor today as you advised. Did you have bad fuel mileage because of that sensor?
     
    maxya1986, Mar 6, 2015
    maxya1986, Mar 6, 2015
    #4
  7. Mar 6, 2015 #5
    Johny41

    Johny41 Road Train Member

    1,192
    1,017
    Feb 10, 2011
    Ontario, Canada
    0
    no, but when goes bad/codes , usually clogged with egr shots derates the motor 20-30% , maybe on your 2012 model with DEF works on different software; I'm happy with this motor, not perfect but every year my real average was around 8 mpg;
     
    Johny41, Mar 6, 2015
    Johny41, Mar 6, 2015
    #5
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