Toyota Po441, P0446 EVAP Vacuum Switching Valve VSV Testing And Canister Replacement




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Valencia Marroquin: Toyota celica gts code p0441

LA Nazaakat: I HAD p 0441 AND P 0446. I HAD ACCIDENTALLY PULLED OUT THETINY HOSE WHILE REPLACING THE AIR FILTER. ALWAYS CHECK HOSES FIRST .

Hushang Darvishvand: okei

R H: I just had the entire canister replaced which included a new VSV with it , on my 99 Camry 3.0 and also replaced gas cap .the P0441 code went away and was replaced with the P0446 any ideas. This was replaced at a shop BTW.

Jackson Cruz: I have a 2000 Camry. Purchased the car not long ago. It has a Dorman unit and I am having P0440, P0441, P0446 codes. The VSV is working fine. I can pull vacuum on it and energize the solenoid and it releases the vacuum.

I decided to smoke test the car from the front. I disconnected the 2 lines at the vent and purge valve and use a Tee to inject smoke into them. I also used a pair of hose pincher vice grips to pinch off the hose at the canister that vents into the frame.

I saw smoke coming out of the one weird line back there that has the one two sided clip that are difficult to remove. The canister had been previously replaced. When I looked at the O-ring inside that connector it was smashed up and out of place. I replaced it and no more smoke came out when doing the second smoke test

PaulLew77: Followed the videos instructions for my P0446 fault code on my 2004 Toyota Corolla. I checked my VSV with the 9 volt battery and sure enough that was the ticket. I replaced that part and the fault code is gone. A note that the screw on the bracket of the VSV was a philips screw.

Irfan Beig: Hi
I have code P0441, changed gas cap but didn't help. I took out Vacuum Valve Solenoid which is on the engine. I blew on side A and air came out through the other side B, next I blew on side B the and air came out through side A.
Does that mean that VSV switch is faulty?
Part I am talking about is
https://www.amazon.com/dp/B00G0OUYV0/ref=olp_product_details?_encoding=UTF8&me=

Daniel Lee: I got this code for my 1999 avalon. Is the canister located in the back of the vehicle as well for that car?

James4:10: $$$. I'll just buy the Dorman 911-602 and replace the vsv. $.

Ronald Bellamy Jr: Were can I locate the evap valve on a 1999 lexus gs300? I have coded p0441 & p0446. I replaced the old gas cap with a new one but still have codes poping up.


angel rodriguez: i have a 2001 lexus is300. its showing p0440 and p0446. whats the common cause ? i took the fuel cap to get tested before i bought a new one and its good. Do you think i may have a problem with the vsv?

Lui MRA: How much voltage should be going to the connections ? I've replace the canister and gas cap and light is still on ,Several mechanics are saying I might have a short in the system and want like 500$ !! That's nuts. Any help would be greatly appreciated!!

JR'S: i have a 2001 camry with p0446. i allready replaced the canister with a new one but the p0446 keeps coming on!! i repleced the gas cap with a oem toyota one! help

Suzy Ayon: i have 98 camry with the same po 446.

thebigscoop: Hi there, I have a 2005 Corolla CE 1.8L A/T. I have received multiple codes for it in the MIL. P043E, P043F, P0441, P0455, P2401, P2402, P2419. Where would you suggest I start diagnosing? I have done a small amount of research, which has led me to believe that a large number of the fixes come from canister replacement (as described in this video). To give you some insight as well, I am finding it difficult to start the vehicle after refilling the tank at the gas station. Many videos are saying that if this is an issue, there is likely an issue with the "purge valve". Is the purge valve the same as the "vacuum switching valve" that is described in this video? Which would be attached to the canister, and therefore cause me to need to replace the whole canister? I was lead to believe that the purge valve is in the engine bay, but maybe there are two of them. Thank you

Jeisoon Herrera: I have p0441 on my scion xa... what can I do? :'(

MJ: please help. my 2002 Chevy prizm gets terrible gas milage and throws this code. The dealership didn't help. Does mine have early or late design system? Do I have to replace whole canister or can I just replace VSV? Can I do it on ramps? I don't have access to a hoist! I want to fix my car. It use to get 30 mpg in city and now I'm lucky if it gets 20!!

george lewis: Hello, I have  2000 Lexus GS300 and I got the P0446 code. I have a new VSV for replacement but I'm unsure of the location. Is it in the back next to the charcoal canister or under the hood? Also which is likely to fail 1st the VSV or the canister?

Robert Nunez: Hi,

Best video I've found.

I got a P0446 code on a 1999 Toyota Avalon. I removed the canister and tested the VSV by following a Chiltons manual. I thought it failed the Ohms test so I replaced it. I tested the new VSV following your video. After applying vacuum to the VSV Pressure Sensor and Purge valve hoses it held vacuum when the solenoid was activated then deactivated but when activated again the vacuum on the purge side didn't go to zero, it went to about 8.

Thinking I may have gotten a defective part I tested the Ohms and it was within specs. I then realized that the original VSV was checked using the wrong specs so I I rechecked it and it also was actually in specs so I reinstalled it to the canister and did the vacuum test. This VSV also did not return to zero. I hung at around 5.

I'm now wondering if this means I have a bad canister and/or if there is another test to isolate the canister. Please advise. Thanks.

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Toyota Po441, P0446 EVAP Vacuum Switching Valve VSV Testing and Canister Replacement