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Engine shuts off while running down the road

Discussion in 'Volvo Forum' started by gharr8, Sep 26, 2012.

  1. Sep 26, 2012 #1
    gharr8

    gharr8 Bobtail Member

    45
    1
    Oct 15, 2009
    dfw, texas
    0
    My 1999 VNL64T VED12 will unexpectedly shut down while running down the road. No notice, error codes, just shuts off. It might run for weeks and then this problem occurs.Generally it will restart. Sometimes it will start using the ignition key. Some time the key does nothing, engine wont crank or tlurn over, and I have to jump the starter with a screw driver.

    The local Volvo dealer cant find the problem. Probably cause it's running when I take it in for diagnostics. Any chance it could be a faulty ignition switch??

    Thanks
     
    gharr8, Sep 26, 2012
    gharr8, Sep 26, 2012
    #1
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  3. Sep 26, 2012 #2
    bender

    bender Road Train Member

    2,105
    1,360
    Jul 20, 2010
    Don't Kid Yourself
    0
    Take a good look at your ignition feed circuit. If it shuts down and then won't crank with the switch, you have lost power feed to the switch. Is the auto reset circuit breaker on the ignition feed circuit heating up?
     
    bender, Sep 26, 2012
    bender, Sep 26, 2012
    #2
    CondoCruiser Thanks this.
  4. Sep 26, 2012 #3
    CondoCruiser

    CondoCruiser The Legend

    19,726
    18,734
    Apr 18, 2010
    Tennessee
    0
    Also check the little ECM hot wire at the battery. Over time them connection crimps will vibrate to the point of breaking. Yours might be hanging by a thread that you can't see for the insulator boot or corrosion built up under it.
     
    CondoCruiser, Sep 26, 2012
    CondoCruiser, Sep 26, 2012
    #3
  5. Sep 26, 2012 #4
    Keyster

    Keyster Light Load Member

    277
    143
    Jun 15, 2012
    0
    This can be a bad ground in the ignition circuit or bad neutral safety switch.

    Start at the neg terminal on your battery(s) and work your way back, look for intermittant resistance readings.
    Clean or tighten the ground connection.
    Adjust or replace the neutral safety switch.
     
    Keyster, Sep 26, 2012
    Keyster, Sep 26, 2012
    #4
  7. Sep 27, 2012 #5
    faxon

    faxon Bobtail Member

    5
    1
    Sep 27, 2012
    louisville ky
    0
    check coulant level
     
    faxon, Sep 27, 2012
    faxon, Sep 27, 2012
    #5
  8. Sep 27, 2012 #6
    Winkjr

    Winkjr Road Train Member

    1,804
    614
    Oct 18, 2011
    Marlton NJ
    0
    Man these volvos are buggy. I'm in a substitute truck while my freightliner is getting worked. On its a Volvo with 130000 thousand miles coming up i83 into pa I'm getting coolant level low and oil level low I'm at a Ryder shop now hoping to get going soon. Oh and the oil and coolant is good.
     
    Winkjr, Sep 27, 2012
    Winkjr, Sep 27, 2012
    #6
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