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Oil Pressure light and High Coolant Temperature Light on with no codes

Discussion in 'Freightliner Forum' started by Smellfunny, Oct 18, 2012.

  1. Oct 18, 2012 #1
    Smellfunny

    Smellfunny Road Train Member

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    Had a 95 Freightliner FLD come into the shop with the buzzer going off and the Oil Pressure light and High Coolant Temperature Light on with no codes. Checked ground wires, tried some sensors, and tried a new EDM box. Finally traced it back to a bad fan solenoid. Thought I would post this because I had never ran across this before and finding out the fan solenoid was the fault of these lights coming on was surprising to me and thought it might help someone in the future.
     
    Smellfunny, Oct 18, 2012
    Smellfunny, Oct 18, 2012
    #1
    xsetra, Ale1466 and QUALITYTRUCK Thank this.
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  3. Oct 18, 2012 #2
    snowwy

    snowwy Road Train Member

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    sucks about them older trucks.

    anything could be the problem but instead of one light or engine code. you get multiple lights.
     
    snowwy, Oct 18, 2012
    snowwy, Oct 18, 2012
    #2
  4. Apr 18, 2013 #3
    kubasj05

    kubasj05 Light Load Member

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    Do you have Detroit or Cummins engine ? I have a similar issuse minus oil pressure light, so just wondering if that could be same problem?
     
    kubasj05, Apr 18, 2013
    kubasj05, Apr 18, 2013
    #3
  5. Apr 19, 2013 #4
    Smellfunny

    Smellfunny Road Train Member

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    This was a Detroit engine.
     
    Smellfunny, Apr 19, 2013
    Smellfunny, Apr 19, 2013
    #4
    kubasj05 Thanks this.
  7. Apr 20, 2013 #5
    kubasj05

    kubasj05 Light Load Member

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    Thats what I thought, I have Cummins M11 and found out that Detroit in 94+ substituted oil and coolant sensors wit EDM that is not present in Cummins engines, at least in 97 M11 that I have. None the less, thanks a bunch
     
    kubasj05, Apr 20, 2013
    kubasj05, Apr 20, 2013
    #5
  8. Mar 5, 2018 #7
    Ale1466

    Ale1466 Bobtail Member

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    Mar 5, 2018
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    Had the same issue with the same truck. Changed the fan solenoid and everything’s back to normal thanks for posting.
     
    Ale1466, Mar 5, 2018
    Ale1466, Mar 5, 2018
    #7
    Smellfunny Thanks this.
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