What and where is the evaporative emission control system on a 1998 Buick LeSabre?

1998 BUICK LESABRE
126,000 MILES
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MCURTIS93
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code reads- P0440- STFT B1= -1.6% , LTFT B1= -8.6%.
Mar 13, 2012 at 9:09 PM
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RASMATAZ
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Where did you get them fuel trimmings? The Evap system starts at the charcoal canister then ends at the fuel tank-sorry
Mar 13, 2012 at 9:19 PM
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