Check Engine light and Error code PO446 keeps coming on. on 2006 Ford Mustang

I replaced the gas cap, cleared the code, however it returns after a few minutes. What else could it be?

by in Lawton, OK on April 24, 2014
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1 answer
ANSWER by , April 24, 2014
P0446 refers to the Canister Vent Solenoid. Have it diagnosed at a local Top Shop.