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Gas guage

Discussion in 'Gen 2 Prius Technical Discussion' started by theshark, Jul 22, 2013.

  1. theshark

    theshark Member

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    Having issues with the gas gauge..2007 Prius 169,345 miles "bladder"

    Added 4 gallons this morning, gauge did not register. Added 2 gallons after lunch, gauge reads full tank. This has been going on for two weeks.. I believe it the gauge.. Any idea on replacement costs?

    Thanks in advance.
     
    #1 theshark, Jul 22, 2013
  2. nh7o

    nh7o Off grid since 1980

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    The sender for the gauge is in the tank, so replacement involves replacing the tank. But I think what you see is common enough, and maybe not much of a concern. For example:
    Sticky gas tank membrane | PriusChat
     
    #2 nh7o, Jul 22, 2013
  3. theshark

    theshark Member

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    Thanks nh70. Any Idea if needed what the cost is?
     
    #3 theshark, Jul 22, 2013
  4. theshark

    theshark Member

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    Anyone?
     
    #4 theshark, Jul 23, 2013
  5. vskid3

    vskid3 Active Member

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    It doesn't sound like anything needs fixed, its just the way it is. Fixing it will just leave your wallet a little lighter.
    If you read the thread nh7o linked to, the issue is caused by your small fillups and the way the gas gauge works. The best fix would be going another 50-100 miles each tank before filling up. As long as you have at least 2 or 3 pips left, you shouldn't be in any danger of running out.
     
    #5 vskid3, Jul 23, 2013
  6. theshark

    theshark Member

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    vskid3,

    Thanks for the response. However that scenario does not apply to me. I filled yesterday evening 8 u.s. gallons. Started the vehicle this morning full tank. go out to lunch today and I'm below a half of tank.

    Thanks anyway.
     
    #6 theshark, Jul 23, 2013
  7. nh7o

    nh7o Off grid since 1980

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    It's called the "Guess Gauge" for a good reason. Here is another thread:
    False Fuel gauge readout? | PriusChat
    On the second page is a procedure to recalibrate the gauge. I haven't tried it, but maybe it will help.
     
    #7 nh7o, Jul 23, 2013
  8. theshark

    theshark Member

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    Thank you!
     
    #8 theshark, Jul 23, 2013
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