Engine won't shut off on 2008 Cadillac Escalade ESV
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Cadillac Escalade, EXT and ESV Forum - 2007-2014 Discussion, Engine won't shut off on 2008 Cadillac Escalade ESV in Cadillac Escalade Forums; For the second time I got to work put my truck in park took the key out and my engine ...
  1. #1
    Hfresh's Avatar
    Hfresh is offline Cadillac Owners Member
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    Engine won't shut off on 2008 Cadillac Escalade ESV

    For the second time I got to work put my truck in park took the key out and my engine kept running. Does anyone have any idea or has anyone experienced this.

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    Kingoftypos is online now Cadillac Owners Master
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    Quote Originally Posted by Hfresh
    For the second time I got to work put my truck in park took the key out and my engine kept running. Does anyone have any idea or has anyone experienced this.
    Even though your in the wrong area. I'll be able to help. If this happens again, play around with the ignition switch with the key out. Hopefully it'll turn off. It may just be the contacts are still making contact. Which should be covered under your warranty, depending on where you stand with it.

    Also, how heavy is your key chain? Yours and anyone else who has a set of keys. I ask, because if it's too heavy it will cause the above to happen. In my section, 1st gen CTS. We've had quite a few people complain about their cars dying. One of then pointed out that their girl friend has a heavy set of keys. So took the braveness away and all went well.

    KOT

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    Hfresh's Avatar
    Hfresh is offline Cadillac Owners Member
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    I got it to shut off after three hours running. I called my friend who is a mechanic he told me to remove the ignition switch fuse. It shut off after that I'm off to the dealership in the morning to find out whats the deal.

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    Rolex's Avatar
    Rolex is offline Super Moderator
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    Re: Engine won't shut off on 2008 Cadillac Escalade ESV

    to the Escalade forum.
    The above post is my 2 cents....nothing more.

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    hcvone is offline Cadillac Owners 10000+ Posts
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    Re: Engine won't shut off on 2008 Cadillac Escalade ESV

    Did you try putting the key back in and moving it to run then off again?

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    K9Caddy is offline Cadillac Owners Enthusiast
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    Re: Engine won't shut off on 2008 Cadillac Escalade ESV

    I've heard of that issue with "bad" gas. Try using a different station and of course, premium.

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    Cadillac Cust Svc's Avatar
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    Re: Engine won't shut off on 2008 Cadillac Escalade ESV

    Quote Originally Posted by Hfresh View Post
    I got it to shut off after three hours running. I called my friend who is a mechanic he told me to remove the ignition switch fuse. It shut off after that I'm off to the dealership in the morning to find out whats the deal.
    Hfresh, I hope you'll let us know what the outcome is after consulting with your dealership! If you'd like me to contact them at any point on your behalf, just drop me an email at Katie_Lucille@gmexpert.com.

    Best,

    Katie
    Cadillac Customer Service

  9. #8
    mikemjohnson is offline Cadillac Owners Fanatic
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    Re: Engine won't shut off on 2008 Cadillac Escalade ESV

    Quote Originally Posted by K9Caddy View Post
    I've heard of that issue with "bad" gas. Try using a different station and of course, premium.
    not going to be gas related; bad gas will only cause performance issues, not "over performance" hah
    Quote Originally Posted by Kingoftypos View Post
    Also, how heavy is your key chain? Yours and anyone else who has a set of keys. I ask, because if it's too heavy it will cause the above to happen. In my section, 1st gen CTS. We've had quite a few people complain about their cars dying. One of then pointed out that their girl friend has a heavy set of keys. So took the braveness away and all went well.

    KOT
    you have no idea how often i take calls for keys not working in the cylinder; not turning or hard to get out. first thing i do when the client arrives is ask for the keychain. 94.3929% of the time its a lady with about 4 pounds of stuff on her key chain. results in a ignition cylinder being needed (this is on german stuff, a lot of VWs are common for this failure). not saying thats what caused this in the OP's situation, but just a piece of advice for everyone

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    Hfresh's Avatar
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    Quote Originally Posted by K9Caddy View Post
    I've heard of that issue with "bad" gas. Try using a different station and of course, premium.
    I usually use Mobil gas but I went to a BP gas station. Both times this has happened its been with BP gas.

  11. #10
    Hfresh's Avatar
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    I don't have a heavy key ring. I don't want all that bulk in my pocket. Mainly the key and the key fob are the only thing in my ignition when I drive. I have a key ring that separates and my house keys are on the other half.

  12. #11
    AWallerJr's Avatar
    AWallerJr is offline Cadillac Owners Member
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    How can bad gas keep the truck running after the key is out the ignition??

  13. #12
    K9Caddy is offline Cadillac Owners Enthusiast
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    Re: Engine won't shut off on 2008 Cadillac Escalade ESV

    It's called "dieseling". Here are some causes that were copy and pasted, in most cases it happens in older carbureted engines.

    Dieseling can occur for several reasons:

    Built-up carbon in the ignition chamber can glow red after the engine is off, providing a mechanism for igniting unburnt fuel. Such a thing can happen when the engine runs very rich, depositing unspent fuel and particles on the pistons and valves. Similarly, rough metal regions within the piston chamber can cause this same problem, since they can glow red. It has also been suggested that an improperly rated spark plug can retain heat and cause the same problem.
    A carburetor that does not completely close can contribute to running once the engine is off, since the extra fuel and oxygen mixture can combust easily in the warm piston chamber. Similarly, hot vaporized oil gases from the engine crankcase can provide ample fuel for dieseling.
    Incorrect timing.
    An engine that runs too hot or too lean may produce an environment conducive to allowing unspent fuel to burn.
    An idle speed that is too fast can leave the engine with too much angular momentum upon shutdown, raising the chances that the engine can turn over and burn more fuel and lock itself into a cycle of continuous running.

  14. #13
    AWallerJr's Avatar
    AWallerJr is offline Cadillac Owners Member
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    Wow... Thanks for the info

  15. #14
    Hfresh's Avatar
    Hfresh is offline Cadillac Owners Member
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    Thanks for the info. People thought I didn't know what I was talking about. My Caddy has never done that until I got gas at this certain gas station. Two times with the same gas at the same exact station. There is no way it can be a coincidence.

  16. #15
    Nice Ride is offline Cadillac Owners Fanatic
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    Highly unlikely it's the gas. Does it run smooth as if the key is still in? Or is it a little rough? Any lights lit on the dash? Have you tried using your other key for a while?

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