PO Code 446

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Old 03 Oct 2006, 09:45 am   #1 (permalink)
gdrayer@gmail.com
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Default PO Code 446

My 2001 Toyota Solara was diagnosed with PO code 446 (Evaporative
Emission Control System Vent Control Circuit Malfunction). What is it
exactly and how much shoul I expect to pay for repairs?

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Old 03 Oct 2006, 09:14 pm   #2 (permalink)
johngdole@hotmail.com
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Default Re: PO Code 446

P0446, this should be an intermittent code caused primarily by the gas
cap. It usually happends shortly after gas fill up. It can be affected
by other parts of the evaporative system (VSVs, check valves in the
canister, or a reported bad batch of canisters that spew carbon dust),
but much less likely if you don't get other codes.

You should pull the ECM fuse for 1 minute (driver side of the engine
compartment) or goto AutoZone and let them clear the code for you for
free. Check the gas cap and gasket first (clear the code, loosen and
retighten the cap). You probably won't have to spend anything except a
small amount of your time.



gdrayer@gmail.com wrote:
> My 2001 Toyota Solara was diagnosed with PO code 446 (Evaporative
> Emission Control System Vent Control Circuit Malfunction). What is it
> exactly and how much shoul I expect to pay for repairs?


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