service engine light came on on 2001 Chevrolet S10

i hae a 01 s10 and the service engine light came on and the code is p0446 and the code says evap emission control vent circuit malf and i want to know what part or what parts are bad so that i can replace them. it gets aggvertaing to haft to turn the light off every time its comes on and the light comes on 2 to 3 times a week and sometimes 5 days a week. the truck has a v6

by in Fulton, MS on July 12, 2012
1 answer 1 comment
ANSWER by on July 12, 2012
Sometimes it's as simple as a bad gas cap. But the cat converter, charcoal canister as well as any hose's can cause these problem's. Best bet? take it to your local auto repair facility.
COMMENT by on July 12, 2012
Smoke test.
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