Strange Cel problem( Fuel level sensor output high)
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This is a discussion on Strange Cel problem( Fuel level sensor output high) within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; My 2005 WRX wagon has a problem. When I go into boost I get a CEL indicating that there is ...

  1. #1
    Registered User Bahamabob's Avatar
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    Unhappy Strange Cel problem( Fuel level sensor output high)

    My 2005 WRX wagon has a problem. When I go into boost I get a CEL indicating that there is a problem with my fuel level sensors. Car runs fine. I can turn the CEL off with my Cobb AP. As soon as I go into boost it's back. I checked several forums and "help" sites and all said to replace the fuel senders. I ordered both and replaced them. Still getting CEL. I checked and cleaned the connectors. Fuel gauge has always worked fine. It does not matter if tank is full or half full.
    Any ideas or suggestions would be greatly appreciated.
    Bahama

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  3. #2
    Moderator Donkey's Avatar
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    Post the actual DTC number.
    Resident Adviser @ WTF Tuning, LLC
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    1998 FORESTER S




  4. #3
    Registered User Bahamabob's Avatar
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    P0463
    Last edited by Bahamabob; 12-29-2012 at 07:25 PM.

  5. #4
    Registered User Bahamabob's Avatar
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    No guesses?

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    Moderator Donkey's Avatar
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    The service manual has a complete troubleshooting diagnostic procedure for every single DTC. Could be the actual gauge,a short in the wire or an issue with the ECU.
    Resident Adviser @ WTF Tuning, LLC
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  7. #6
    Registered User Bahamabob's Avatar
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    As I stated in post, fuel gauge has no problems.

  8. #7
    Master Baiter EJ257's Avatar
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    Quote Originally Posted by Bahamabob
    As I stated in post, fuel gauge has no problems.
    What about the wiring, as Ron mentioned?
    2005 WRX STi (Mods | Virtual Dyno)

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  9. #8
    Registered User Bahamabob's Avatar
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    I'm going to put an extra ground on the sensors and see if that works

  10. #9
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    I had this exact problem in my 05 and it was due to the sensor, dont know what its called, that is above the charcoal canister. There is a right up on NASOIC that explains it more. Took me 3 minutes to fix and hasnt happened yet

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