2000 Toyota Camry


Old 07-09-05, 12:25 PM
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2000 Toyota Camry

I have a 2000 Toyota Camry the check engine keeps coming on it shows a code 446 Evaporative Emission Control System Vent Circuit Malfunction
I have changed the gas cap two times now so I do not beleve that it is the gas cap . What else could cause this code. My Camry has a 4 cylender engine in it.

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Old 07-09-05, 04:19 PM
billys68ss's Avatar
Join Date: May 2003
Location: USA
Posts: 1,459
Could be a line that is damaged or a bad vent valve. There are three vent valves on that particular vehicle. You should probably get it smoke tested in case it is a damaged line. Otherwise you will need to test the vent valves.
Let me know if you need further information.
hope this helps ya,
Old 07-09-05, 06:04 PM
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2000 toyota camry

tell me what you mean by a line being damaged and what and where would i find the vent valves.

Old 07-10-05, 09:00 AM
Join Date: Jun 2002
Location: Long Island, NY
Posts: 1,531
Your better off having it checked at the dealer. There are two valves it could be (also a lot of other things).

Bypass vac switching valve or closed canister control valve.

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