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My Dad, has a 2000 Camery, with the 4 cyl motor, his CEL came on the other day, and I read it with my AutoXRay and got the following codes... P0440, p0441, & P0446, with are all part of the Evaporative Emission Control System.
I checked the gas cap and it on, I have done some searching and read about other models having this prople and it was the canister or VSV sensor.
Now I looked under my dad's car yesterday and in the rear before the spare tire well I think I see the charcoal cansiter with a bunch of hosed going to it. (this is the cansiter right???) I also see a black thine with a bunch of hosed and one is open on the end and just goes into a hole into the frame, I'm thinking this is a purge valve. I also next to it a little thing that has one hose and a wire connector, is this the VSV sensor?
So on this model of car, what is the come problem when all (3) of these codes show up? What can I test, how can I test, etc....
I tried to look these parts up on Autozone and Advanceautoparts web site and it shows no listing, so I'm guess these are parts I can only get at a dealer, is that right?
There is a toyota tsb(#1055) for those 2 fault codes(PO440- Evap Control System PO446- Evap Emission Control), common problem is the by-pass vsv on the canister is sticky, and does not switch the vapor pressure sensor back and forth between the canister and tank, so its reading the canister press. when it should be reading the tank press. and so forth, the new part # is 90910-12264. replace the vsv on the purge canister if it is a red colored valve, updated valve is white vsv is easy to get to is held on to canister by a phillips head screw. you can test it by powering it if it does not click its bad. As for the tsb on the canister closed valve at the air cleaner, those rarely go bad but test it anyway of course. Also updated vac line kit is a waste of time. You will also need to check that the gas cap is holding pressure ok. You need to verify the repair by running the Evap Monitor or a complete drive cycle. Take it to a pro if this is was over your head.
There is a toyota tsb(#1055) for those 2 fault codes(PO440- Evap Control System PO446- Evap Emission Control), common problem is the by-pass vsv on the canister is sticky, and does not switch the vapor pressure sensor back and forth between the canister and tank, so its reading the canister press. when it should be reading the tank press. and so forth, the new part # is 90910-12264. replace the vsv on the purge canister if it is a red colored valve, updated valve is white vsv is easy to get to is held on to canister by a phillips head screw. you can test it by powering it if it does not click its bad. As for the tsb on the canister closed valve at the air cleaner, those rarely go bad but test it anyway of course. Also updated vac line kit is a waste of time. You will also need to check that the gas cap is holding pressure ok. You need to verify the repair by running the Evap Monitor or a complete drive cycle. Take it to a pro if this is was over your head.
I did take a look at that, but that says 98, would that be the same for the 2000 model?
I wil check for it clicking while someone turns on the key, but the first time I was under there, I'm almoust positive it was white..
TSB EG013-03 MIL "ON" DTC po440,0441,0446
Models 00-03 avalon, camry, solara
5 pages of info and test info covers 4 and 6 cylinder cars
Warranty fix a 36 mo and 36000 miles
The vacuum switching valve was the indicated problem part #90910-12199 for the 5s-fe. (september 29,2003 TSB)
__________________ It worked fine until I fixed it!
foompla is exactly right, all 3 of those evap codes 9 times out of 10 means a loose gas cap, but when checking the air filter the line going to the ccv vsv on the side of the air box comes loose, by the way all three codes together roughly means a gross evap leak.
I did take a look at that, but that says 98, would that be the same for the 2000 model?
I wil check for it clicking while someone turns on the key, but the first time I was under there, I'm almoust positive it was white..
Turning the key on won't energize the vsv since the PCM will only turn it on during purge conditions.
And csaxon seem to have posted the correct tsb. Not unlike the tsb from the previous years, the common culprit is the vsv. And remember there are 2. And be sure to check what everyone suggest you check first- gas cap, vac lines(this is especially true if the vac lines where switched at the vsv or is not connected), and vsv operation.
Worse case is you have an EVAP leak somewhere w/c can be a bitch to find if you don't have the right tools. The dealer can fix this prob. but will most likely sell you a canister together w/ the vsv's.
Turning the key on won't energize the vsv since the PCM will only turn it on during purge conditions.
And csaxon seem to have posted the correct tsb. Not unlike the tsb from the previous years, the common culprit is the vsv. And remember there are 2. And be sure to check what everyone suggest you check first- gas cap, vac lines(this is especially true if the vac lines where switched at the vsv or is not connected), and vsv operation.
Worse case is you have an EVAP leak somewhere w/c can be a bitch to find if you don't have the right tools. The dealer can fix this prob. but will most likely sell you a canister together w/ the vsv's.
OEMonkey, we have checked the cap and it is tight, no one has ever messed with, or worked on this car before, so no lines have been switched. I have looked and didn't see anything disconected.
Are these 2 vsv valve's together? Do they both have a power wire going to them? Are there any pictures or anything of these?
Also, I'm a little confused, i'm getting conflicting information, I have seen different part numbers listed for this valve... I belive the one you said was 90910-12264, would that be the right one for a 2000 Camery with the 4-cyl. motor?
It was tight before I reset the light with my scanner, and I made sure it was tight after reseting it... it came on a day later...
Ok, I got my dad to pick up a Haynes book,and followed the troubleshoting, so I removed the VSV, and did the ohm test, and I got nothing.... so it looks like this is what's bad....
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It worked fine until I fixed it! 
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