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Engine takes its time to start

  • 17-10-2014 5:12pm
    #1
    Jay01
    Registered Users, Registered Users 2 Posts: 22 ✭


    Hi, I have a 2005 Seat Toledo mk3. The car starts straight away when it's cold but when it's warm it takes ages to start. Just keeps turning over and then shutters and starts. Does anybody know what it's problem is? Thanks.


Comments

  • #2
    lifer_sean
    Registered Users, Registered Users 2 Posts: 890 ✭✭✭lifer_sean


    Is it 1.9TDi ?

    Usual cause on these is a lazy starter. One way to detect is to check battery voltage when cranking. Needs to be above 9V if I remember correctly.


  • #3
    Jay01
    Registered Users, Registered Users 2 Posts: 22 ✭Jay01


    Thanks. I'll check that tomorrow. If it does return above 9v is there anything else I could look at?


  • #4
    punisher5112
    Registered Users, Registered Users 2 Posts: 24,644 ✭✭✭✭punisher5112


    Is filters dirty or due a good service.

    Good advice above had similar problems with my 1.9 tdi Leon.

    Glow plugs could be a problem also I know sounds weird it starts cold but is possible problem.


  • #5
    Jay01
    Registered Users, Registered Users 2 Posts: 22 ✭Jay01


    Yeah I've only just fully serviced it. Changed the plugs checked for any lose wiring. I've come across a couple of people with the same problem in skoda's and golf's. One person was told it could be the injectors?


  • #6
    punisher5112
    Registered Users, Registered Users 2 Posts: 24,644 ✭✭✭✭punisher5112


    Would'nt change the injectors unless gets real bad.


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  • #7
    Jay01
    Registered Users, Registered Users 2 Posts: 22 ✭Jay01


    I've tested the battery when the cars cold and hot and I'm getting readings of 10v and 11v. Any further ideas I could try?


  • #8
    burke027
    Registered Users, Registered Users 2 Posts: 501 ✭✭✭burke027


    If its a petrol I bet ya it's the cool t temp sensor for the coolest common fault feel free to ask and il walk you through it


  • #9
    Jay01
    Registered Users, Registered Users 2 Posts: 22 ✭Jay01


    It's a 1.9tdi. I changed the temperature sensor because the needle was going up and down as I'd drive. The needle works fine.


  • #10
    Waterson
    Registered Users, Registered Users 2 Posts: 383 ✭✭Waterson


    You may have changed the wrong sensor. There are two coolant temperature switches, one is for the dash temp gauge, the other is used for fuelling. If an erroneous signla is being given by this sensor (which are very prone to failure) then the engine PCM will either fire injectors too lng or short a duration and case starting issues. A live data scan will reveal this within minutes.


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