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Seat Leon fr tdi engine running on with key removed

Discussion in 'Leon Mk2' started by jacko5, Mar 4, 2018.

  1. jacko5

    jacko5 Full Member

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    Ok so i have had the above problem a while.
    It has now got worse.
    Took the key out of the ignition today and the car ran on for a couple of minutes even with the car locked with keyfob.
    Has anyone any idea why this is happening ?
    I am thinking it may be a relay ,,, fuel pump one ???
    Anyone have any ideas as to what is causing this ?
    Thanks for any replies.
     
    #1 jacko5, Mar 4, 2018
    Last edited: Mar 4, 2018
  2. ray

    ray Full Member

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    Has it just started doing it or has it always done it? Could be a bad earth or some dodgy wiring, I had a corsa years ago when the de mister was on wouldn’t turn off.

    Get it plugged in see if there’s any issues showing up, I imagine there’s multiple reasons it could be.


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  3. jacko5

    jacko5 Full Member

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    Thanks for the info.
    Further to this problem, it has just done it again.
    I stalled the car by putting it in gear and releasing the clutch.
    Then when i took the key out of the ignition the dashboard lights are still on.
    Very strange this, i thought it might be a fuel relay, but now i am very confused.
     
  4. ray

    ray Full Member

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    Check the earth cable running from the battery terminal, take it off, give it a clean up and re attach.

    From searching online it could be the ignition relay, or the fuses connected to these. Possibly some faulty wiring too, maybe best get a pro to investigate.


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    #4 ray, Mar 4, 2018
    Last edited: Mar 4, 2018
  5. NIMOOLN

    NIMOOLN ALEX

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    Has it just started doing it or has it always done it?
     
  6. NIMOOLN

    NIMOOLN ALEX

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    mine does the same thing over and over
     
  7. jacko5

    jacko5 Full Member

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    Thanks for all the replies.
    It has been doing if for the last 12 months or so.
    Will check earth strap/ battery earth and then maybe ignition switch.
     

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