306 spluttering in Brisbane heat
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  1. #1
    Fellow Frogger!
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    May 2012
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    Default 306 spluttering in Brisbane heat

    stinking hot 37deg day and daughter tells me there were a few moments where pressing the go pedal didn't really do much

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    18months ago replaced the fuel pump and has a new fuel filter so don't expect it's lack of fuel
    daughter said the hesitation felt like no fuel

    was thinking ignition/coil-pack (2001 model and 150,000K on original coil pack) playing up in the heat?
    a couple of episodes but now driving normally

    in winter on very few occasions it's spluttered after starting from cold, not in summer though

    any body else experienced this or have any ideas?

  2. #2
    Fellow Frogger!
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    Mar 2011
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    Melbourne
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    Yeah I did a few years back, but it was the fuel pump!
    2000 306 GTi6 'Josie'

  3. #3
    1000+ Posts
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    Could also be Oxygen sensor as well, mine did the same sort of issues and I suspected fuel pump too. Check both its highly likely to be one or possibly both.
    87 S1 205 GTI / GTI6 powered a project underway
    306 convertible (gti6 candidate)
    307 HDi wagon
    407 HDi wagon

  4. #4
    Fellow Frogger!
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    Quote Originally Posted by Matthew View Post
    Could also be Oxygen sensor as well, mine did the same sort of issues and I suspected fuel pump too. Check both its highly likely to be one or possibly both.
    both replaced in the last 1-2 years - O2 sensor made a huge difference to driveablilty, responsiveness and fuel efficiency

    thought of a vapour lock but not sure how that could occur

    am leaning towards coil-pack but I guess an OBD would reveal any faults?

  5. #5
    Fellow Frogger!
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    A new fuel pressure regulator sorted mine out. A very simple job to swap one over to check !
    Possibly caused by lack of fuel filter changes by previous owner.

    Alain

  6. #6
    Fellow Frogger!
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    Quote Originally Posted by Alain View Post
    A new fuel pressure regulator sorted mine out. A very simple job to swap one over to check !
    Possibly caused by lack of fuel filter changes by previous owner.

    Alain
    thanks Alain, hadn't thought of that - ours is a 2.0 petrol, was yours petrol or diesel?

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