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Thread: High Fuel Consumption... whats wrong?

  1. #1
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    High Fuel Consumption... whats wrong?

    my 1.6 Polo is having some high fuel consumption issues at the moment and i dont know why....
    the worst im getting is about 11 or 12, which is ferral, and i can basically watch the needle drop when i have people in the car...
    im struggling to get 400 to a tank before it goes to the red zone...

    what the hells wrong!!
    VW: it aint just a car, its a way of life
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  2. #2
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    RACQ did a test on the car and it came out at 11L/100k

    Was the worst out of all they tested.

  3. #3
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    this is a 97 Polo...
    is that a 97 Polo test?
    VW: it aint just a car, its a way of life
    There are few things more satisfying in life than finding a solution to a problem and implementing it
    My Blog: tinkererstales.blogspot.com.au

  4. #4
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    Quote Originally Posted by GoLfMan View Post
    my 1.6 Polo is having some high fuel consumption issues at the moment and i dont know why....
    the worst im getting is about 11 or 12, which is ferral, and i can basically watch the needle drop when i have people in the car...
    im struggling to get 400 to a tank before it goes to the red zone...

    what the hells wrong!!
    How many km's the car done?

  5. #5
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    105,000km's
    VW: it aint just a car, its a way of life
    There are few things more satisfying in life than finding a solution to a problem and implementing it
    My Blog: tinkererstales.blogspot.com.au

  6. #6
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    Does it smell fuelly when you start it cold and does it splutter when cold?

    Change the temp sender. Its in the water outlet housing on the end of the block above the gearbox and has 4 wires going into it.

    Depending on which one it is should be $20 - $40 and will cost you fuel if it is crap. Imparts should have one down there.
    Camden GTI Performance. VW / AUDI Specialists
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  7. #7
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    Quote Originally Posted by GoLfMan View Post
    my 1.6 Polo is having some high fuel consumption issues at the moment and i dont know why....
    the worst im getting is about 11 or 12, which is ferral, and i can basically watch the needle drop when i have people in the car...
    im struggling to get 400 to a tank before it goes to the red zone...

    what the hells wrong!!
    What were you getting before this thirsty episode. My 8v would have whooped it for economy and performance

  8. #8
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    Quote Originally Posted by Golf Loon View Post
    Does it smell fuelly when you start it cold and does it splutter when cold?

    Change the temp sender. Its in the water outlet housing on the end of the block above the gearbox and has 4 wires going into it.

    Depending on which one it is should be $20 - $40 and will cost you fuel if it is crap. Imparts should have one down there.
    it runs normally and performs normally, i dont know, there is no tell tail soot on the rear bumper to suggest rich running... maybe its the cold weather with more time on "choke" and the fact that i've been taking smaller trips lately
    VW: it aint just a car, its a way of life
    There are few things more satisfying in life than finding a solution to a problem and implementing it
    My Blog: tinkererstales.blogspot.com.au

  9. #9
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    Quote Originally Posted by evorobin View Post
    What were you getting before this thirsty episode. My 8v would have whooped it for economy and performance
    yuuuuup definately would... but my 8v in my golf will be getting a welcome boost of performance by the end of next week thanks to Loon
    VW: it aint just a car, its a way of life
    There are few things more satisfying in life than finding a solution to a problem and implementing it
    My Blog: tinkererstales.blogspot.com.au

  10. #10
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    Does it have a cat in the exhaust?

    I had a MK3 16V that had been modified and they hung the lambda probe onto the heatshield around the exhaust. It was in fresh air so the ECU assumed the car was constantly running weak.

    I would have a look at the temp sender first and then check out the output from the lambda probe.

    Gavin

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