Water temp,fuel gauge and H/lamp issues

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Thread: Water temp,fuel gauge and H/lamp issues

  1. #1

    Water temp,fuel gauge and H/lamp issues

    Hi There,

    On my girlfriend saab 9-3 areo 2005 convertible both the water temp and fuel gauge have started pointing straight upwards.

    Has anyone have this happen to them before ?

    I have read that disconnecting the negative battery terminal for 15 minuets will reset the ECU is this worth a go ?

    Thanks in advance,

    Andy

    please see photo of gauge.

    guage.jpg
    Last edited by Andytoner; 11-19-2018 at 06:07 PM.

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  3. #2
    Administrator aerojon's Avatar
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    Re: water temp and fuel gauge

    Yes,remove for 5 mins..don't leave fob in ism when you do,leave car unlocked also..Once batt reconnected,resync all fobs by placing them in the ism for 5-10secs..If it happens again,again,etc etc another cluster will be required..
    My 9-3 audio,2 x cd changers,aux-in & Bluetooth audio streaming..

    Buy cheap pay twice..

  4. #3
    Wow it worked and fixed the issue I had with the drivers window which was next on the list. Thanks for the great help. Andy

  5. #4
    Administrator aerojon's Avatar
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    Re: water temp and fuel gauge

    Quote Originally Posted by Andytoner View Post
    And fixed the issue I had with the drivers window which was next on the list. Thanks for the great help. Andy
    Bouncing back down when it reached the top,you'll need to recalibrate each window again if you have one touch up and down.
    My 9-3 audio,2 x cd changers,aux-in & Bluetooth audio streaming..

    Buy cheap pay twice..

  6. #5
    What fuse is for the ecu and is it in the dashboard fuse box ?

  7. #6
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    Re: water temp and fuel gauge

    Engine bay F4

  8. #7
    Administrator aerojon's Avatar
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    Re: water temp and fuel gauge

    Quote Originally Posted by Andytoner View Post
    What fuse is for the ecu?
    Why?
    My 9-3 audio,2 x cd changers,aux-in & Bluetooth audio streaming..

    Buy cheap pay twice..

  9. #8
    Would it be easier to remove the fuse rather than disconnect to battery ?

  10. #9
    Saab Afficionado
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    Re: water temp and fuel gauge

    Quote Originally Posted by Andytoner View Post
    Would it be easier to remove the fuse rather than disconnect to battery ?
    Personally I would just disconnect the battery -ve as I find the minifuses a fiddle at the best of times.
    Also just resetting the ECU might not reset the cluster...guess you could try both maybe?

  11. #10
    Administrator aerojon's Avatar
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    Re: water temp and fuel gauge

    you already done a battery disconnect,so why would you want to remove the ecu fuse has no effect on the cluster..
    My 9-3 audio,2 x cd changers,aux-in & Bluetooth audio streaming..

    Buy cheap pay twice..

  12. #11
    Got you, I will stick with the battery option.

    On another note do you know much about xenon lights ?

  13. #12
    Administrator aerojon's Avatar
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    Re: water temp and fuel gauge

    is the cluster still acting up..

    ref hids what do you need to know..
    Last edited by aerojon; 12-03-2018 at 07:06 PM.
    My 9-3 audio,2 x cd changers,aux-in & Bluetooth audio streaming..

    Buy cheap pay twice..

  14. #13
    Yes it is but have only reset it once so far.

    The duped beam on the car are rubbish I have adjusted the height manually but they are just not very bright. So was looking at some d2s bulbs but didn't really know were to start with it. Halfords are 65 pound a bulb which seems very steep to me. Have you had to replace Amy of these and what did you go for ? Thanks.

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  16. #15
    Administrator aerojon's Avatar
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    Re: water temp and fuel gauge

    HID system is more than just the lamps you've also H/Lamp housings,ignitors and ballasts..No to mention h/lamp washers and auto levelling..

    Disconnecting and reconnecting the battery all the time will eventually damage the sensitive electronics/computers within the car(surge/spike)...Which there are many..
    Last edited by aerojon; 12-04-2018 at 01:42 PM.
    My 9-3 audio,2 x cd changers,aux-in & Bluetooth audio streaming..

    Buy cheap pay twice..

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