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Extremely bad fuel economy

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  • 30-08-2014 10:16am
    #1
    LawlessBoy
    Registered Users Posts: 1,001 ✭✭✭


    Can anyone try and point me in the right direction here?

    Have a 2001 1.4 petrol bora that recently got a new clutch put into it. Noticed its very heavy on petrol so I said I'd test it and find out just how much its using. Brimmed it let it go down checked the odometer and then brimmed against o work out how much fuel I used.

    Came back as using 1L per 8km!

    Don't know what could be causing this has anyone any known areas to check for problems like this


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    #2
    ironclaw
    Registered Users Posts: 8,004 ✭✭✭ironclaw


    Can you post up the raw data? So how many kilometres versus how many litres? Also the nature of the driving? Any possibility of a fuel tank / fuel line leak? Because there is no way thats right. Even the Veyron will do 0.2L/km.


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    #3
    Leonard Hofstadter
    Registered Users Posts: 5,540 ✭✭✭Leonard Hofstadter


    LawlessBoy wrote: »
    Can anyone try and point me in the right direction here?

    Have a 2001 1.4 petrol bora that recently got a new clutch put into it. Noticed its very heavy on petrol so I said I'd test it and find out just how much its using. Brimmed it let it go down checked the odometer and then brimmed against o work out how much fuel I used.

    Came back as using 1L per 8km!

    Don't know what could be causing this has anyone any known areas to check for problems like this

    Being a 2001 car, wouldn't that be 8 miles (as opposed to km) a litre? 8 miles per litre is over 36 mpg, which sounds alright to me, it's got a very underpowered engine so it's never going to win any awards for fuel consumption. On the other hand if it really is 8 km/l that's 22.6 mpg, unless it's all town driving there's something wrong, even if it is all town driving that seems a bit low.

    When was it last serviced?


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    #4
    LawlessBoy
    Registered Users Posts: 1,001 ✭✭✭LawlessBoy


    captainspeed wrote: »
    Being a 2001 car, wouldn't that be 8 miles (as opposed to km) a litre? 8 miles per litre is over 36 mpg, which sounds alright to me, it's got a very underpowered engine so it's never going to win any awards for fuel consumption. On the other hand if it really is 8 km/l that's 22.6 mpg, unless it's all town driving there's something wrong, even if it is all town driving that seems a bit low.

    When was it last serviced?

    Its 8km/l or like 5m/l

    I haven't got the car long haven't gotten a chance go get it serviced yet but it'll be done during the week. Could that be the biggest issue is that it might not of been serviced in a while?


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    #5
    Cleveland Hot Pocket
    Registered Users Posts: 5,193 ✭✭✭Cleveland Hot Pocket


    I'd say there's likely a more pressing issue.
    Unless you are doing all of your driving around town in solely 1st gear!

    Also, why don't you measure consumption in MPG (or at least l/100km), no-one uses km/l as a measurement, it just adds to the complexity. I suggest you brim the tank again and drive some normal extra-urban driving (motorway/DC driving) and see what the MPG is. If it's still low then you know you've got a serious overfuelling issue.

    Edited to add:
    I left a car of mine go over its service interval by 3k miles, after servicing I noticed an increase of approx 5 MPG (33%).


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