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Fault code help

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Ericanderson8452, Jan 3, 2018.

  1. Jan 3, 2018 #1
    Ericanderson8452

    Ericanderson8452 Bobtail Member

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    Jan 3, 2018
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    spn 1127 fmi 18
    I have a 2012 Volvo D13 670. This code popped up. Running really sluggish but only on inclines. Flat ground and downhill everything seems fine. Also low fuel mileage.
     
    Ericanderson8452, Jan 3, 2018
    Ericanderson8452, Jan 3, 2018
    #1
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  3. Jan 3, 2018 #2
    GrapeApe

    GrapeApe Road Train Member

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    Is your boost pressure low? That fault relates to boost pressure. A boost leak can cause it, an EGR issue, pressure sensor issue. A lot of things could cause it, I'd start by checking all CAC clamps and hoses, look for a boost leak. The second most common thing I'v found causing that fault is an EGR valve plugging up.
     
    GrapeApe, Jan 3, 2018
    GrapeApe, Jan 3, 2018
    #2
    SAR, Heavyd, Oxbow and 1 other person Thank this.
  4. Jan 3, 2018 #3
    Ericanderson8452

    Ericanderson8452 Bobtail Member

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    Jan 3, 2018
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    Ericanderson8452, Jan 3, 2018
    Ericanderson8452, Jan 3, 2018
    #3
  5. Jan 3, 2018 #4
    Ericanderson8452

    Ericanderson8452 Bobtail Member

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    Not sure about pressure. I've checked all the clamps, hoses etc. Nothing feels or looks out of order.
     
    Ericanderson8452, Jan 3, 2018
    Ericanderson8452, Jan 3, 2018
    #4
  7. Jan 3, 2018 #5
    Oldironfan

    Oldironfan Road Train Member

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    If guess egr is acting up. If so it's cheaper to delete it.
     
    Oldironfan, Jan 3, 2018
    Oldironfan, Jan 3, 2018
    #5
  8. Jan 3, 2018 #6
    Ericanderson8452

    Ericanderson8452 Bobtail Member

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    So during inspection, I took out air filter, just inspection it. it looks fine and I didn't see anydebris in the chamber. however I did stop it on the ground a few times to get excess dust out. Now truck seems to be running fine. my fuel mileage is back up to six and a half and I'm not losing power on small inclines. could that little bit of dust really caused that issue?
     
    Ericanderson8452, Jan 3, 2018
    Ericanderson8452, Jan 3, 2018
    #6
  9. Jan 3, 2018 #7
    GrapeApe

    GrapeApe Road Train Member

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    Jan 7, 2013
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    A clogged air filter could cause that, looks can be deceiving, looks clean and flows good are not the same thing. Sounds like it's over due for a new air filter.
     
    GrapeApe, Jan 3, 2018
    GrapeApe, Jan 3, 2018
    #7
    SAR Thanks this.
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