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yes i searched, po446

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Old 01-21-11, 09:30 PM   #1
tiger4life
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Default yes i searched, po446

Most of the info I found was in regards to the gs400, I don't think they are the same? Anyone know the part # for the vsv valve under hood? I have the po446 code and want to change the easier things 1s before looking at the canister. Looks like I will have to order this from the dealer so I want to have the correct #. Also would appreciate if anyone knows where I could get it cheaper. Thanks.
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Old 01-22-11, 12:23 PM   #2
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thanks for all the help guys! lol. I'll try to help the next man. The p/n is 90910-12188 for the vacuum switching valve for a 99 gs 300. If you have an 01-05, the p/n is 90910-12243. See the link for the diagram:
http://www.lexuspartsnow.com/compone...08-1636~3.html
It's located behind the intake on the driver's side. Just follow the vsv hose from below the car. Look for the green cap.
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Old 01-22-11, 12:36 PM   #3
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I have a 98 GS400 and I have that code also, I took the car to the dealer and they said it was the gas cap that was loose......10 mins later the light came back on, same code!!!! Are you going to change the VSV out yourself? If you do let me know how hard of a job it was! GL
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Old 01-22-11, 03:36 PM   #4
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I have a gs 300 so it's in a different location. But it's easy for both. You find the valve, it with have an electrical connector and two hoses attached to it I believe. You disconnect all of them and there will be one bolt holding the valve in place. Remove the nut and replace the valve.
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Old 01-23-11, 08:18 AM   #5
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How much did the valve cost u?
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Old 01-23-11, 09:56 AM   #6
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you have a gs 400, you need to check the other threads about this for the part number
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Old 01-23-11, 02:21 PM   #7
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sweet..i still needa fix this also..before lookin into a new canister thanks!
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Old 01-24-11, 11:23 PM   #8
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I just change mine this weekend, its the VSV pressure solenoid on the charcoal canister.
It wasn`t that hard. You`ll need a long in extension, 10mm deep well socket, needle nose pliers, and a precision pliers (small miniature pliers) and the solenoid of course which is 79.00 at the dealer.

1. Remove the 3 vacuum lines and the electrical connector from the VSV solenoid. Make sure to get an eye view as were each vacuum line goes just incase you unexpectedly disconnect one.
2. Removed the 3 - 10mm nuts which holds the canister in place.
3. Once canister is loose, turn the canister length ways so you can access the solenoid retaining screw.
4. Use the miniature pliers to pull the solenoid retaining screw. This retaining screw is a Phillips head but I couldn`t get a stubby Phillips screwdriver on it, therefore I used the mini pliers.
5. Once the screw is out you can remove solenoid.
6. Here`s the trick. Connect the electrical connector to the new solenoid so that it may assist you in securing the solenoid retaining screw onto the bracket.
7. Once that`s complete secure canister to the body and check all vacuum lines




Took me an hour tops. Spent most of my time trying to secure the screw to the new solenoid because of my big hands. Hope this helps.

Andre
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Old 07-25-11, 01:58 PM   #9
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sorry to bump and old thread but i wanted to change the easy stuff under the hood before i get under the car.. I use the part number posted above for a 2000 GS300 but it does not register at sewell, instead they have this

http://lexus.sewellparts.com/oem-cat...S300-2000.html

part number 7701770866, however this part looks like it is on the charcole canister under the car, not under the hood.

Any help?
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Old 07-25-11, 05:48 PM   #10
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Quote:
Originally Posted by TonyN View Post
sorry to bump and old thread but i wanted to change the easy stuff under the hood before i get under the car.. I use the part number posted above for a 2000 GS300 but it does not register at sewell, instead they have this

http://lexus.sewellparts.com/oem-cat...S300-2000.html

part number 7701770866, however this part looks like it is on the charcole canister under the car, not under the hood.

Any help?
The link I posted at the top shows the part number as valid for the gs300. Click it. I just put the # in sewell and it comes up as an sc300 part number. Sewell's site isn't perfect, both cars (sc300 and 98-00 gs300) probably use the same p/n. Just call the dealer and confirm it's correct for your car. They will look up the same diagram shown in my link. I never actually bought the part though because when I took it off it didn't look blocked or anything.
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Old 07-26-11, 01:06 AM   #11
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Man nice write up about that solenoid..should've posted pics of the diy
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Old 07-26-11, 05:13 AM   #12
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I thought the VSV was located above the rear diff near the charcoal canister on the GS300?
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Old 08-17-11, 06:30 PM   #13
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Just knocked this out today.. Hope that light stays off ! Really not necessary at all to remove the 3 10mm bolts from the charcoal canister.. I didnt remove any at all.. I accessed the sensor from behind the driver side axle... but i did goto war trying to get the vacuum lines off -__-
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01, 300, 9091012188, 9091012243, gs, gs300, lexus, part, po446, po446b, solenoid, switching, vacuum, valve, vsv

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