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Cat C13 wont starting. Any suggestions.

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Pablo-UA, May 30, 2011.

Page 2 of 2
  1. Jun 5, 2011 #11
    Pablo-UA

    Pablo-UA Road Train Member

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    BTW. What is the voltage used for injector actuation?
     
    Pablo-UA, Jun 5, 2011
    Pablo-UA, Jun 5, 2011
    #11
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  3. Jun 5, 2011 #12
    Rig Wrench

    Rig Wrench Medium Load Member

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    not to rob the thread, but I found a couple wires on the injector harness rubbed through the wire jacket exposing the bare wires ona C15. assuming they were not touching, could that still cause a voltage drop? I did repair the wires but had some other issues and not sure if it was causing the problem or not
     
    Rig Wrench, Jun 5, 2011
    Rig Wrench, Jun 5, 2011
    #12
  4. Jun 5, 2011 #13
    Dutch

    Dutch Light Load Member

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    Nov 21, 2009
    Commiefornia
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    Poor batt. connections, low batt. voltage would can cause the ecm to do crazy stuff. It does sound like Pablo that the idm inside the ecm is toast. Someone correct me if I'm wrong but I believe the voltage is up to 100-120vlts to the injectors.
     
    Dutch, Jun 5, 2011
    Dutch, Jun 5, 2011
    #13
  5. Jun 20, 2011 #14
    Pablo-UA

    Pablo-UA Road Train Member

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    The problem is finally solved. There was bad capacitor inside caused massive voltage converter fault with bad MOSFETs, some toasted things inside unit, transformer insolation damage...

    so You were right! It was internal ECM damage.

    Ok, ECM iside)

    [​IMG]
     
    Pablo-UA, Jun 20, 2011
    Pablo-UA, Jun 20, 2011
    #14
    Heavyd Thanks this.
  7. Jun 20, 2011 #15
    stranger

    stranger Road Train Member

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    So, you're saying the Flux Capicator was bad.
     
    stranger, Jun 20, 2011
    stranger, Jun 20, 2011
    #15
  8. Jun 20, 2011 #16
    Pablo-UA

    Pablo-UA Road Train Member

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    Borispol, Ukraine
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    yeah, it was like a mix of capacitor and resistor. so much heat that shrink on it cracked!!! and bad capacitor started the chain... I tried to run engine to understand what a hell is going on till voltage converter complitely failed
     
    Pablo-UA, Jun 20, 2011
    Pablo-UA, Jun 20, 2011
    #16
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