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2005 Porsche Cayenne Question: my low fuel light wont go off

 

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glynnwild, Guaynabo, PR, January 11, 2013, 09:15
 Rookie

fuel warning low fuel light stays on all time the picture garage fuel pump stays on even after fill up tank alays never below halfe full when i start engine a warning beep tells me to refuel checked instrument cluster with duramtric/piwis but shows no fault.any one got any ideas whats goin on .thank you

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  • Answer #1

    csubak30 January 11, 2013, 12:25
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     Master

    Fuel level sending unit (gas tank float) has probably malfunctioned and no longer is sending a proper signal to gauge as to fuel level. Need to have checked and probably replaced.

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    glynnwild, January 12, 2013, 05:17
     Rookie

    i dont think its that because fuel gauge seems to be working fine . thanks

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  • Answer #2

    Greg's Orange Auto (12960 Answers) , Orange, CA - (714) 361-9386
    globalhelper January 11, 2013, 12:53
     Master

    scan codes and see whay codes you get. something relating to fuel level sensor i suspect

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    glynnwild, January 12, 2013, 05:19
     Rookie

    thats what i cant understand im getting no codes about fuel problems or gauge problems . thanks

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    globalhelper, January 12, 2013, 10:00
     Master

    that can be the case,you will not always get a code for fuel level sensor. seek diag and have it tested

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    glynnwild, January 12, 2013, 11:05
     Rookie

    ok thank you i will try that.

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