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Poor starting tdi 130

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by leigh72, Nov 5, 2013.

  1. leigh72
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    leigh72 New Member

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    [Nov 5, 2013]
    Hi all,

    I've got a 2002 tdi 130 (103000miles), normally it's a really good starter - as soon as the key is turned. However over the past month it's taking longer to start from warm, sometimes it's takes 3 or 4 seconds with it occasionally taking a few go's of turning the key. It's regularly serviced and had just had new filters , and the only fault code that is coming up is for an engine mount sensor. Other suggestions by friends are injectors and pump clearances. I'm going to fill up at a different forecourt and add injector cleaner to see if that makes any difference.
    I have done a search but it hasn't brought up anything with the same symptoms. Any advice would be appreciated.

    Thanks in advance

    Leigh
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  2. Mike.M
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    Mike.M Well-Known Member

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    [Nov 6, 2013]
    Car battery with the weather getting colder and also possibly dead glowplugs. I had three of mine die and the battery was also weak and had similar symptoms last autumn.

    All replaced and started strong and quickly
    #2
  3. pauldazzle
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    pauldazzle Active Member

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    [Nov 6, 2013]
    A minimum of 250rpm is needed to start a PD engine, so its worth jump starting off another battery, & if it starts normally then your battery is getting tired.
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  4. leigh72
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    leigh72 New Member

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    [Nov 7, 2013]
    Thanks for the ideas, will try jump starting it next time (had a new bosh battery about 2years ago as well) if that fails will check the glow plugs.
    #4
  5. stu_m
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    stu_m Well-Known Member VCDS Map User

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    [Nov 7, 2013]
    flick your headlights on before starting and see if that changes anything

    the switch develops a fault in the off position and causes the same problems
    #5
  6. leigh72
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    leigh72 New Member

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    [Nov 8, 2013]
    Thanks for the suggestion, I tried the lights and it turned out to be the cause so I'll get a replacement light switch. Glad it's nothing more expensive/ time consuming. Cheers.
    #6
  7. stu_m
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    stu_m Well-Known Member VCDS Map User

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    [Nov 8, 2013]
    lol wait till you see the price of a genuine switch!!

    have look on here for the ebay ones they are only about £20
    #7
  8. leigh72
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    leigh72 New Member

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    [Jan 6, 2014]
    Just an update, fitted a replacement headlight switch in early December, and everything has been perfect since, so thanks for the replies:icon_thumright:
    #8

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