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C15 NO START-- Engine code 46???

Discussion in 'Trucks [ Eighteen Wheelers ]' started by harris2108, Feb 1, 2010.

  1. Feb 1, 2010 #1
    harris2108

    harris2108 Bobtail Member

    16
    0
    Mar 14, 2009
    0
    Have a 2004 Cat C15, had a no start condition yesterday. Code 46 was stored in the diagnostics. Check the cam speed sensor wiring by unplugging and reconnecting. Re-primed the fuel system. This is the 4th time this has happened in the last year. Seems random, we play with things for awhile and then it starts and runs fine for months.

    Any help with the #46 code would be great!
     
    harris2108, Feb 1, 2010
    harris2108, Feb 1, 2010
    #1
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  3. Feb 1, 2010 #2
    Izzyloco

    Izzyloco Light Load Member

    105
    8
    Jan 21, 2010
    New London,WI
    0
    Code 46 is low oil pressure warning
     
    Izzyloco, Feb 1, 2010
    Izzyloco, Feb 1, 2010
    #2
  4. Feb 1, 2010 #3
    Izzyloco

    Izzyloco Light Load Member

    105
    8
    Jan 21, 2010
    New London,WI
    0
    Code 46 is low oil pressure warning
     
    Izzyloco, Feb 1, 2010
    Izzyloco, Feb 1, 2010
    #3
  5. Feb 2, 2010 #4
    harris2108

    harris2108 Bobtail Member

    16
    0
    Mar 14, 2009
    0
    We had just changed the oil prior to the no start, so that was probably the cause of the code.
    I'm gonna order a cam sensor for it. I checked all the voltages to the to the ECM and they are all good.
    Not sure what else to do except run it.
     
    harris2108, Feb 2, 2010
    harris2108, Feb 2, 2010
    #4
  7. Feb 3, 2010 #5
    Turbo45

    Turbo45 Bobtail Member

    39
    6
    Nov 16, 2009
    0
    sometimes the insulation on the side of the block breaks and falls onto the wiring for the crank sensor and wears through the wires
    but there should be a code for no primary speed signal
    .......somthing to check anyway.... you might be able to get away with just fixing a couple wires and getting rid of the insulation around that sensor
     
    Turbo45, Feb 3, 2010
    Turbo45, Feb 3, 2010
    #5
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