CEL on and blink off/on
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Cadillac STS Forum - 2005 through 2012 Discussion, CEL on and blink off/on in Past Cadillac Vehicle Discussion; 2005 STS V6, CEL came on last week while I was driving. Stop by O'Reilly and how the codes scanned: ...
  1. #1
    J Young is offline Cadillac Owners Member
    Automobile(s): 05 Caddy STS
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    CEL on and blink off/on

    2005 STS V6, CEL came on last week while I was driving. Stop by O'Reilly and how the codes scanned: P0430, P0306, & P0206.
    Since then I have had the oil changed, new spark plugs, new ignition coil for 6, intake gasket replaced and fuel injector #6 replaced. My car is still running rough and the link is blinking off/on more. Any advice? Cadillac mechanic/tech in Dallas,TX? Should I take it in to the dealership?

    Thanks

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  3. #2
    Ghost Deany is offline Cadillac Owners Enthusiast
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    Re: CEL on and blink off/on

    Are you driving it while its blinking?

  4. #3
    Ludacrisvp's Avatar
    Ludacrisvp is online now Cadillac Owners Connoisseur
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    Re: CEL on and blink off/on

    IIRC a blinking CEL is usually indicative of bad misfiring occurring while it is flashing.

  5. #4
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: CEL on and blink off/on

    A blinking CEL means there is a critical problem with an element of the emissions control system that is currently causing severe damage. Bad misfires grunt the CATs in short order and may get hot enough to set the car on fire.
    Don't mess with Binky Bear!


  6. #5
    J Young is offline Cadillac Owners Member
    Automobile(s): 05 Caddy STS
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    Re: CEL on and blink off/on

    Yes, the light blinked while I was driving. I think I need to get it towed to the dealership to prevent any more problems......

  7. #6
    carter's_sts is online now Cadillac Owners Connoisseur
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    Probably another bad coil pack.

  8. #7
    Cadillac Cust Svc's Avatar
    Cadillac Cust Svc is online now Cadillac Customer Service
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    Re: CEL on and blink off/on

    Quote Originally Posted by J Young View Post
    Yes, the light blinked while I was driving. I think I need to get it towed to the dealership to prevent any more problems......
    Hello J Young,

    I apologize for any trouble you are experiencing with your Caddy. I see you are thinking about getting your vehicle towed into the dealer. Please let me know what you decide to do. I can be reached via private message so we can further discuss any concern or questions you may have.

    Laura M.
    Cadillac Customer Care

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