No Throttle Response 2003 Columbia with Detroit 12.7

Discussion in 'Freightliner Forum' started by 68Goat, Dec 1, 2013.

  1. 68Goat

    68Goat Light Load Member

    70
    15
    Jan 4, 2013
    0
    Hey guys, been working on geting this truck on the road again. So far, mechanically, things have seemed ok. I got in the truck this afternoon to move it cause I had to get to the trailer behind it and all of a sudden I have no throttle response (only idle) and a yellow check engine light and ECU 128 showing on the dash. It is a simple setup. FL Columbia with a 12.7 Detroit in it. I'm thinking some kind of a sensor? Any ideas out there?
    Thanks!
     
  2. magoo68

    magoo68 Road Train Member

    1,510
    1,158
    Jun 11, 2011
    st malo mb canada
    0
    throttle position sensor shot or bad connection would be my guess
     
    68Goat Thanks this.
  3. 68Goat

    68Goat Light Load Member

    70
    15
    Jan 4, 2013
    0
    Any idea where this sensor is located? Been fine for a while but sensors go out on the Detroits fairly often. Never had to replace a throttle response sensor.
    Thanks
     
  4. baha

    baha Road Train Member

    2,546
    1,088
    Jul 25, 2013
    ga
    0
    no bigge you just unplug an 2 torx head screws, under fuel ped.
     
    68Goat Thanks this.
  5. magoo68

    magoo68 Road Train Member

    1,510
    1,158
    Jun 11, 2011
    st malo mb canada
    0
    what he said ^
     
  6. 68Goat

    68Goat Light Load Member

    70
    15
    Jan 4, 2013
    0
    Ok, thanks for the help there. I'm having some other issues now...We removed the throttle position sensor and tried cleaning the terminals. Went to put sensor back in to see if, possibly, this would help with the throttle response and now we have more codes. First of all, we have the red engine protect light on now, the yellow check engine light is still on, and we get an ecu 128 , PID 091 , Fail 04 , and finally Fault 1. Do any of these ring a bell?
     
  7. Freightlinerbob

    Freightlinerbob Road Train Member

    2,233
    1,297
    Jan 15, 2012
    West Coast B.C.
    0
    Code 128 is the trailer ABS code isn't it?
     
  8. 68Goat

    68Goat Light Load Member

    70
    15
    Jan 4, 2013
    0
    I think 128 just stands for a general engine code...nothing in particular. I don't think it has anything to do with the trailer.
     
  9. Pablo-UA

    Pablo-UA Road Train Member

    7,592
    1,519
    Oct 11, 2010
    Borispol, Ukraine
    0
    128 S/P __ F - is like MID128 SID ___ FMI on volvo)) Post full code here
     
  10. magoo68

    magoo68 Road Train Member

    1,510
    1,158
    Jun 11, 2011
    st malo mb canada
    0
    if u google code it comes up accelerator pedal circuit failed low
     
  • Draft saved Draft deleted