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Old 09-27-2015, 11:22 AM   #1
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Question gas gauge not co-operating

My fuel gauge doesn't read properly, sorry... it'* a 2003 lesabre. Anyway, the gauge only reads correctly when the igintion switch is turned on w/o starting the engine when started it jumps to anywhere from 3/4 to full when I know it'* about a half a tank of fuel, also I have to engage my highbeam switch on the column to start the car... is this a common feature on Buick lesabres ? Someone told me it was an anti theft feature.
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Old 09-28-2015, 01:12 AM   #2
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Sounds like you have a bad ignition switch
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Old 09-28-2015, 11:28 AM   #3
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If it is an antitheft feature, it'* definitely aftermarket.

Hopefully the person that told you that was the previous owner, or someone who knew about this specifically on this particular car.
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Old 09-28-2015, 11:13 PM   #4
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As for the fuel gage, you probably need a new fuel sender......
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