Cat C12 No Start Condition

Discussion in 'Trucks [ Eighteen Wheelers ]' started by SprintCar, Jan 12, 2014.

  1. SprintCar

    SprintCar Light Load Member

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    I am going to try tackling this question in a different manner.

    What built in Engine Safety Parameters would prevent an Engine Start during the Cranking of the Engine? If you happen to know the Minimums Required to satisfy an engine starting can you post them? I would also like to know in which manner it prevents the engine from starting.

    As an example:

    1) No/low Oil Pressure

    I will let others in the know list what they know.
     
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  3. GrapeApe

    GrapeApe Road Train Member

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    I know of no safety interlocks that will allow it to crank but not start. Low oil pressure will NOT cause a no start. The engine will start with no oil pressure, but will quickly shut down due to no oil pressure. If the ECM does shut down an engine in protection mode, it will set a code (ie, very low oil pressure), but it must be running 1st.
     
    KC Guardrail Thanks this.
  4. dude6710

    dude6710 Road Train Member

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    Does the motor have to be turning enough rpm's for the fuel injectors to turn on?
     
  5. SprintCar

    SprintCar Light Load Member

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    I have been told 300 and my engine spins to 280 rpm but I've observed 2 identical trucks spin at 200 rpm and light right up so I doubt that's the issue.
     
    dude6710 Thanks this.
  6. GrapeApe

    GrapeApe Road Train Member

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    If you PM me your email, I can get you a manual. It big, 130Mb, because it's 3100 series and C10-12 engines. Just give us all the courtesy of posting what you fond wrong to help others.
     
  7. SprintCar

    SprintCar Light Load Member

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    Jan 2, 2010
    Arizona
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