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2004 Buick LeSabre Question: Warning light says: Service Engine Soon - Gas Cap loose - check cap

 

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Doug A., New Lenox, IL, August 18, 2010, 05:38
 Rookie

No corrosion on filler tube
Replaced Gas cap
light always on
No fuel smell

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  • Answer #1

    matte August 18, 2010, 11:37
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     Master

    Sometimes it will take awhile for the code to clear and the light to turn off, if you indeed fixed the problem. You may not have fixed the problem, and it may be something else in the emission control system. I'd recommend a professional diagnosis--if all is well, they can clear the trouble code at the shop and turn off the light.

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