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Thread: Fuel Gauge Inconsistency

  1. #1
    Join Date
    May 2013
    Location
    Southside, Brisbane
    Posts
    14

    Default Fuel Gauge Inconsistency

    Has anybody had any abnormalities with the amount of fuel your gauge shows ?

    Last week my car had been showing half a tank of fuel. Upon driving home after work I noticed the gauge was off the clock showing no fuel with the gauge pinned to below empty.

    I went straight to the gas station and put $40 worth of fuel in, as i didnt want to risk it.
    Upon turning the car on it showed a full tank....... not right .....

    Has been about 4 days showing a full tank. Jumped in today and its showing me about a third full.

    Has anybody had this happen to them before ?
    Or any ideas of the possible issue.

    Cheers


    2008 MPS 3
    120000 ks

  2. #2
    Join Date
    Apr 2010
    Location
    Canberra
    Posts
    9,459

    Default

    i have a lot more fuel in the first half of my tank than the second half
    the light comes on with ~10L left in the tank...

  3. #3
    Join Date
    Aug 2009
    Location
    hunter valley
    Posts
    6,403

    Default

    I find when fuel light comes on it very consistent with the amount of fuel left in tank. Other wise the gauge is a useless as a condom vending machine in the Vatican

  4. #4
    Join Date
    May 2013
    Location
    Southside, Brisbane
    Posts
    14

    Default

    Quote Originally Posted by SarcasticOne View Post
    i have a lot more fuel in the first half of my tank than the second half
    the light comes on with ~10L left in the tank...
    Thanks for your reply Sarcastic One

    I know what your saying SO. I totally agree, my car does that as well.


    I probably didn't explain myself properly.
    How can my cars fuel gauge go from a fully pinned full tank and the next time I drive it, it's showing me a third of a tank. Like somebody has siphoned 2/3 of fuel from my car.

    My other similar scenario was when my car was just under half full, next time I drove it, it was pinned empty

    it wasn't the siphon phantom because the car has been in different spots both times, but they have been on back to back fuel ups.

    Sorry for any confusion.
    Cheers

  5. #5
    Join Date
    Feb 2012
    Location
    Wollongong
    Posts
    846

    Default

    Could be a dodgy tank sender. E85 can corrode parts on the tank level sender if you have ever run it.

    Sent from my GT-I9300 using Tapatalk 2

  6. #6
    Join Date
    May 2013
    Location
    Southside, Brisbane
    Posts
    14

    Default

    Thanks Leadfootrob

    Have never used 85, always PULP. Might be a dealer question !

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