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Do engines shut off when a crash is sensed?

Discussion in 'General Automotive' started by 169.254.255.201, Jan 27, 2013.

  1. Jan 27, 2013 at 12:23 PM
    #1
    169.254.255.201

    169.254.255.201 [OP] Well-Known Member

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    Got a question for you guys..

    Do engines automatically shut off in a crash? It seems dangerous to me that a engine would be running while being upside down. I don't know to much about engines, and whether that would be dangerous. Like if in a crash, a fuel line was to be damaged, =loose fuel=fire. Would they be shut off if the airbags are triggered do you think?
     
  2. Jan 27, 2013 at 12:49 PM
    #2
    SoutheastTaco

    SoutheastTaco Resident Jackass

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    There's an inertia switch on the fuel pump.
     
  3. Feb 21, 2013 at 8:26 PM
    #3
    Vstrom30

    Vstrom30 Well-Known Member

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    I think most newer vehicles will shut down, and some will turn on the flashers and send a call for help depending on the make. They don't all have mechanical, resetable inertia switches. Hybrids will open the relays that basically create an open in the hybrid battery. It all varies depending on the make and model.
     
  4. Feb 22, 2013 at 7:53 AM
    #4
    lock

    lock Active Member

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    Many autos have a reset for the fuel pump, I know my f-150 did. I've only had the taco for 2 weeks so I'll have to look into it.
     
  5. Feb 22, 2013 at 7:56 AM
    #5
    Taco227

    Taco227 Well-Known Member

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    All I know is that Jeeps do not...first hand experience
     
  6. Feb 22, 2013 at 8:04 AM
    #6
    RiverBoyTRD

    RiverBoyTRD Well-Known Member

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    I will second this one on first hand experience as well
     
  7. Feb 22, 2013 at 9:22 AM
    #7
    WillT

    WillT Well-Known Member

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    Ford models all have a fuel pump shutoff with a manual reset pushbutton located in either the driver or passenger front footwell. A couple of weeks ago I helped a woman who'd slid off the road and came to a bumpy stop in her Explorer who then couldn't get the car started again. Got me to thinking I should look and see if the Taco has a manual reset but I haven't taken the time yet. Maybe I should get off my ass and go grab the manual now.
     
  8. Feb 22, 2013 at 9:44 AM
    #8
    Phil5393

    Phil5393 Well-Known Member

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    My old 2010 xterra didn't i speak from experience lol
     
  9. Feb 22, 2013 at 1:13 PM
    #9
    2004TacomaSR5

    2004TacomaSR5 Well-Known Member

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    My truck is a manual so it would likely stall out I'd assume
     
  10. Feb 22, 2013 at 1:16 PM
    #10
    127.0.0.1

    127.0.0.1 AKA ::1

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    flip it and the engine dies automagically

    does need a special reset procedure to get it running again

    yes I have rolled my 4runner and have first hand experience with
    toyota's 'flip-stop the drip' mechanism...(also U can ask me how to
    replace an entire 4runner roof)

    fuel is also shut off if airbag sensor fires
     
    Last edited: Feb 22, 2013
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