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detroit loosing power

Discussion in 'Trucks [ Eighteen Wheelers ]' started by pavrom, Jul 15, 2014.

Page 1 of 2
  1. Jul 15, 2014 #1
    pavrom

    pavrom Road Train Member

    3,026
    6,876
    Apr 29, 2012
    NE illinois
    0
    can anyone help fixing this issue or advising how to :
    here is the issue :
    while driving at the city at 30-40 mph at 1300-1400rpm truck loosing power , after 2 seconds pushing gas pedal truck drives fine and some white smoke comes out from exhaust … sometimes same thing happening while driving uphill .
    2000 peterbilt with detroit 12.7 engine , complete overhaul been done 3 month ago at freight liner dealer
    i had same issue before overhaul , but it was happening 1-2 times a week , considering that we drive 2000-2200 miles a week , after over haul nothing changed , but last 2 month its worse and worse … now its happening all the time in the city driving , truck was at the dealer for whole week , dealer reprogrammed ecu - nothing happened , now truck back to the dealer … 4 days already …. i don't think they will fix it …its detroit dealer , peterbilt said : we don't service detroit
    thank you
     
    pavrom, Jul 15, 2014
    pavrom, Jul 15, 2014
    #1
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  3. Jul 15, 2014 #2
    freightlinerman

    freightlinerman Road Train Member

    1,287
    535
    Mar 4, 2011
    Florida
    0
    Losing prime probably, maybe a collapsed fuel line? OR, electrical fault?
     
    freightlinerman, Jul 15, 2014
    freightlinerman, Jul 15, 2014
    #2
  4. Jul 15, 2014 #3
    4vmach1

    4vmach1 Light Load Member

    184
    72
    Apr 3, 2013
    Los Angeles, CA
    0
    This is a Freightliner truck?
     
    4vmach1, Jul 15, 2014
    4vmach1, Jul 15, 2014
    #3
  5. Jul 16, 2014 #4
    pavrom

    pavrom Road Train Member

    3,026
    6,876
    Apr 29, 2012
    NE illinois
    0
    2000 peterbilt
    all fuel lines and electrical lines has been checked - all good , ecu has been replaced 2 years ago
     
    pavrom, Jul 16, 2014
    pavrom, Jul 16, 2014
    #4
  7. Jul 16, 2014 #5
    rebel127

    rebel127 Light Load Member

    296
    149
    Feb 28, 2011
    monroe ct
    0
    Sounds like a wiring harness or sensor issue. Air intake temp sensor's can cause some similar issues. There was a factory fix with a resistor. On the petes the short wire that goes to the tps commonly goes bad.
     
    rebel127, Jul 16, 2014
    rebel127, Jul 16, 2014
    #5
    QUALITYTRUCK Thanks this.
  8. Jul 16, 2014 #6
    russtrucker

    russtrucker Road Train Member

    1,767
    337
    Mar 27, 2012
    Central PA
    0
    my cousin's 05 columbia was losing power and can't go proper speed uphill. I blame egr
     
    russtrucker, Jul 16, 2014
    russtrucker, Jul 16, 2014
    #6
  9. Jul 20, 2014 #7
    JAYRODPA

    JAYRODPA Light Load Member

    157
    109
    Apr 10, 2009
    Dingmans Ferry pa
    0
    If it has a egr, chances are that is it. White smoke is a sign of a turbo problem or a leak the in air to air system. check everything from air cleaner to the air to air, and to the turbo is tight and no cracks in rubber lines. pick up a cheap fog machine and do a smoke test to see if there any leaks.
     
    JAYRODPA, Jul 20, 2014
    JAYRODPA, Jul 20, 2014
    #7
  10. Jul 21, 2014 #8
    Ezrider_48501

    Ezrider_48501 Road Train Member

    3,845
    5,123
    Apr 2, 2011
    bismarck, nd
    0
    2000 shouldn't have a egr unless someone dropped in a newer motor at some point.
     
    Ezrider_48501, Jul 21, 2014
    Ezrider_48501, Jul 21, 2014
    #8
  11. Jul 22, 2014 #9
    JAYRODPA

    JAYRODPA Light Load Member

    157
    109
    Apr 10, 2009
    Dingmans Ferry pa
    0
    guess i didn't see that it was a 2000. egr didn't come out until 04.
     
    JAYRODPA, Jul 22, 2014
    JAYRODPA, Jul 22, 2014
    #9
  12. Jul 23, 2014 #10
    camaro7019

    camaro7019 Bobtail Member

    5
    1
    Jul 23, 2014
    0
    injector wiring harness, I have also seen jakes stick and cause a similar problem,
     
    camaro7019, Jul 23, 2014
    camaro7019, Jul 23, 2014
    #10
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