WHERE IS THE LOCATION OF THE EEC EVAPORATIVE EMISSION CONTROL

1999 CHEVROLET SILVERADO
150,000 MILES
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BARBARA1963
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I AM GETTING THE CODE PO440 WHEN I SCAN THE TRUCK
Dec 3, 2011 at 5:24 PM
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RASMATAZ
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Could be the gas cap, charcoal canister and purge solenoid
Dec 3, 2011 at 5:29 PM