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Fuel smell

Discussion in 'A3/S3 Forum (8L Chassis)' started by 666markyboy, Jan 21, 2009.

  1. 666markyboy

    666markyboy Well-Known Member

    Mar 17, 2008
    Likes Received:
    Is there a petrol tank vent somewhere on the rear of the A3.... got out of my car tonight and there was a strong smell of petrol that i've never had before.... i'll have a look for leaks tomorrow... anywhere i need to be looking that are common faults ???
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  3. Essflee

    Essflee Well-Known Member

    Mar 26, 2008
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    Theres a fuel filter a bit bigger than a can under the car just in front of the rear wheel on the drivers side, could check there for a leak....:shrug:
  4. jesters3

    jesters3 Active Member
    VCDS Map User

    Jan 6, 2003
    Likes Received:
    I had a serious fuel leak. It came down to a faulty gravity valve in the tank. The valve left it self stayed open so was spewing out fuel from the filler cap area due to the massive pressure build up behind it.

    Areas to check -

    filler cap
    behind the right wheel archliner
    underneath rear bumper
    fuel filter

    The valve cost @ £3.00

    However it meant a fuel tank out job and 4-5 hours of Audi priced labour...ouch.

    Hopefully your's is just a fuel filter change job!

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