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Thread: Help 2004 1.9tdi a4 intermittent starting issue

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  1. Help 2004 1.9tdi a4 intermittent starting issue 
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    At my wits end..... I have a 2004 1.9tdi a4 sport , 110000 miles With a very intermittent starting issue so far I have change fuel/temp sensor , fuel
    Filter, gasket on tandem pump and checked the timing and still no joy as to fixing the problem , I have left the car to mechanic and electrician to try to help detect the problem both of which couldnít get the car to misbehave after 2 weeks I collected it drove it home came out the next morning and boom hard to start ,....... once the key is in the ignition it will turn over and youíd think it is going to start then it misses amd winds over for a minute and eventually starts but struggles like itís building fuel pressure Once it starts it will start perfect all day unless you leave it sitting over night very frustrating as the car drives perfect engine is smooth with no smoke and loads of power very economical, any help appreciated 😁
     
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  2. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    Sounds like the fuel pressure is doing back over night. I'd check the tandem pump gasket and also the fuel filter is sealed properly.

    Sent from my ANE-LX1 using Tapatalk
     
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  3. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    I changed the tandem pump gasket amd a new filter , also but a new pump
    For the tank but the auto spark said there was nothing wrong with the one in the car
     
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  4. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    Also it would
    Seem if the car is left stationary it will start fine the next morning hence why mechanic and auto spark could t get fault to re occur they both left the car in there work shop starting every Morning but not moving it and it didnít fail, but once I picked it up amd drove it for over an hour to my house parked overnight then it struggles to start itís really strange
     
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  5. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    Is it parked on a slope at night?
    eye for an eye means the whole world goes blind
     
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  6. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    Quote Originally Posted by arman123 View Post
    Is it parked on a slope at night?
    If it is parked on a slope, trying parking it the opposite way round next time.

    Sent from my ANE-LX1 using Tapatalk
     
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  7. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    Quote Originally Posted by calum View Post
    If it is parked on a slope, trying parking it the opposite way round next time.

    Sent from my ANE-LX1 using Tapatalk


    if it starts facing down hill then fit a non return on the fuel line
    eye for an eye means the whole world goes blind
     
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  8. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    No different up hill or down ☹️
     
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  9. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    And it’s avb engine code
     
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  10. Re: Help 2004 1.9tdi a4 intermittent starting issue 
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    Have you got access to Vcds to scan for fault codes
    eye for an eye means the whole world goes blind
     
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