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engine light on code 446 on 2007 Pontiac Grand Prix

just had fuel pump replace at dealer ship 4 days ago,now getting code 446 could this a problem they cause

very possible, return and ask questions
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1 more answer
SOUNDS LIKE AN EMISSION HOSE TO THE CANISTER CLOSE VALVE OR THE CANISTER BOX IS EITHER CRACKED BROKEN OR NOT PROPERLY INSTALLED....