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1.9tdi Starting Problem

S4 Muzza Aug 21, 2011

  1. S4 Muzza

    S4 Muzza oww! my giant blue head!

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    Hi guys, got a quick question on behalf of my dad. He's had a problem starting the car for a few weeks now. Sometimes the car starts fine, sometimes when the key is turned it chokes for a few seconds then starts ok, and other times it wont start at all.

    Any ideas as to what the problem is? The car is a 2002 A4 Avant 1.9tdi

    Thanks in advance
     
  2. quattrojames

    quattrojames Moderator Staff Member Moderator Audi A6 Audi Avant Owner Group

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    It could be the Coolant Temp Sensor, or maybe even the light switch. (Strange but true!)
     
  3. S4 Muzza

    S4 Muzza oww! my giant blue head!

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    hmm, that does sound like a longshot lol, but cheers for the reply. probably a good time for the pair of us (me and my dad) to invest in vagcom!
     
  4. mememe

    mememe Member

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    Can you elaborate on this a bit please. Maybe how I can check if its these things or not.

    My car refused to start today .........in Tescos car park of all places!!!!! All electrics are working fine. My mate checked it with vagcom and found only the fuel temp sensor fault and an engine mounting solenoid fault which comes and goes. Both were there before hand. The starter motor doesn't even try to turn. But I can hear what sounds like a relay clicking over when I turn the key.

    The car started with a tow immediately. stopped it and tried the key again. Still the same. He said the starter solenoid has probably gone and advised me to get a reconditioned one from the car shop. But before I did that, I wanted to see what the forum had to say.

    Since I've had it, the car has started first time every time but, sounded a little sluggish to me(being VERY picky tho).

    Any other ideas?
     
  5. deanski

    deanski wax on, wax off

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    put your sidelights on before you turn the key. if it starts better its the headlight switch.
     
  6. quattrojames

    quattrojames Moderator Staff Member Moderator Audi A6 Audi Avant Owner Group

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    Either of those issue's might cause the car to wind over a bit before firing, but they wouldn't prevent it starting full stop. The diagnosis of the solenoid sounds favourable.
     
  7. mememe

    mememe Member

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    Ah you're a good man, thanks. Always worth checking I think.

    Been checking Elsawin for the replacement guide. It looks quite straight forward. Is it?
     

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