Question about 1997 Volkswagen Eurovan

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Vw 1.9td t4 air in fuel line

Hi i have a vw t4 1.9td, it had developed air in the fuel line when left overnight, it starts fine then starts losing power before eventually stalling after about 10 mins, it then struggles to start but eventually ndoes then is fine til it ti is left again, as the fuel lines are clear it is visable that air in the lines is the problem but i have no idea how it is getting in?

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  • Anonymous Dec 29, 2008

    Thanks, i have changed the filter, that didnt work, i will check the vent tomorrow, it starts fine and you can physicallly see the air starting to come thru, this gets worse until it eventually stalls, it then takes a while to start but is then fine until left for a period of time,

  • Anonymous Dec 30, 2008

    yeah theres a feed in and out and another that attaches by pushing a white bit into the filter held by the hair clip type peice, i changed the filter about 2 weekes ago but this didnt sort it,

  • Angelo Attard
    Angelo Attard May 11, 2010

    check that your fuel cap vent is not blocked you can try it without the fuel cap on

    how old is the fuel filter and have you checked for spark when the cars dies



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Hi I dont have a vw , but I do have a shogun and I had the same problum, it turned out to be the seals on my fule injector pump and at a cost of £325.00 to have done.

Posted on May 14, 2009

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What type of fuel filter is fitted to it ..does it have a plastic fitting with two pipes attached to it which is held in by a hair clip type grip ? sometimes black or white?

Posted on Dec 30, 2008


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Hi , I have just replaced the fuel fiter on my VW Tansporter T4 TDI 2.5 diesel 2001. How do I bleed it? I can not see the fuel through the hoses as they are black..

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In the morning or when my 1987 vw golf sits for a while (when the car is cold) it will start right up but then dies. i have to rev it and keep the rpm's up for a couple of minutes and as it get's warm it...

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It sounds to me like it's going into "limp mode" - Google it! It's a kind of "get-you-home" setting when there's something wrong. You will need to get the fault codes read (or do it yourself with VAG-com software on a laptop) and then take it from there. It needn't be an expensive problem - maybe a split air hose in the turbo system - or it might be a dirty MAF or stuck vanes in the turbo itself, or any combination of 1300 other things. Main thing is - don't go replacing things willy nilly! Get the fault codes (aka DTC's) read first. An interface cable costs about £15 and the VAG-com software can be downloaded for free.

Hope this helps you a bit. If it does, a "Fixya" rating would be much appreciated. If it doesn't
help you, I'd be grateful if you didn't bother with a rating at present - they can't be increased later if I do manage to solve your problem! Just come back and tell me what you found.
Cheers, D
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