engine shut off

Discussion in 'Volvo Forum' started by ah fai, Dec 28, 2012.

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  1. Dec 28, 2012 #1
    ah fai

    ah fai Light Load Member

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    Helo all.

    My volvo FH12 380 with D12C engine shut off automatically when driving on highway for few times per days. And the engine can be start again after around 30 minute or maybe more longer.

    little help please...

    thanks
     
    ah fai, Dec 28, 2012
    ah fai, Dec 28, 2012
    #1
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  3. Dec 29, 2012 #2
    Pablo-UA

    Pablo-UA Road Train Member

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    any fault codes?
     
    Pablo-UA, Dec 29, 2012
    Pablo-UA, Dec 29, 2012
    #2
  4. Dec 29, 2012 #3
    ah fai

    ah fai Light Load Member

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    cant read a fault codes cause diagnose on instrument display engine ECU/vechine ECU or other ECU and show (operation fail).
    the truck with manual gearbox.
     
    ah fai, Dec 29, 2012
    ah fai, Dec 29, 2012
    #3
  5. Dec 29, 2012 #4
    Pablo-UA

    Pablo-UA Road Train Member

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    it is EECM wiring issue... rought roads?
     
    Pablo-UA, Dec 29, 2012
    Pablo-UA, Dec 29, 2012
    #4
  7. Dec 29, 2012 #5
    ah fai

    ah fai Light Load Member

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    Ya, some times. EECM mean Vechine ECU or Engine ECU??
     
    ah fai, Dec 29, 2012
    ah fai, Dec 29, 2012
    #5
  8. Dec 30, 2012 #6
    Pablo-UA

    Pablo-UA Road Train Member

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    engine ECU. when VECU fails comunicate to EECU engine idles only, but VECU controls power relay of engine (with Volvo Engine only, not with Cummins). and if VECU is not powered engine stalls
     
    Pablo-UA, Dec 30, 2012
    Pablo-UA, Dec 30, 2012
    #6
  9. Dec 30, 2012 #7
    ah fai

    ah fai Light Load Member

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    Ic. i try to check the EECU wiring first.

    where can i but the volvo EECU wiring tester???


    thansk
     
    ah fai, Dec 30, 2012
    ah fai, Dec 30, 2012
    #7
  10. Jan 6, 2013 #8
    S M D

    S M D Road Train Member

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    Do u have coolant ? Lol
     
    S M D, Jan 6, 2013
    S M D, Jan 6, 2013
    #8
  11. Jan 7, 2013 #9
    ah fai

    ah fai Light Load Member

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    sure have.
     
    ah fai, Jan 7, 2013
    ah fai, Jan 7, 2013
    #9
  12. Jan 8, 2013 #10
    S M D

    S M D Road Train Member

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    Gotta be a sensor thing #### Volvos
     
    S M D, Jan 8, 2013
    S M D, Jan 8, 2013
    #10
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