Toyota RAV4 Problem Report
Toyota RAV4 Check Engine Light on Due to EVAP Vapor Canister Fault
The Evaporative system may have problems with the vapor canister releasing charcoal pellets that plug the vent valve. Typically a Code P0441, P0442 and P0446 will be set. The key code is the P0446 which is a vent valve electrical failure. The proper repair is to replace the entire canister with all the valves as a unit. This is located on top of the fuel tank and is expensive. Our Technicians tell us that for awhile Toyota was covering these problems, but this may have changed. It would not hurt to call the dealer if this problem occurs to see if Toyota is still helping with these repairs.
Started the vehicle in the a.m check engine light on VSC & 4X4 lights stayed on. Took Rav-4 to dealer and I was quoted 1543 plus tax to fix the problem. Replacing the Evaporative charcoal canister, Filter and COPVER & Protector. I was thinking of trading in this RAV 4 on a 2013 but if all of these lights come on with just an emissions problem then I don't think I'll buy another Toyota. Codes that came up P043E, P043F, P1578, P2401, P2402, P2419. I am entertaining the idea if I cannot locate a reasonable replacement canister, to take the old one, drill a hole in it with my dremel tool, empty out the charcoal and replace the charcoal with some charcoal from my fish supply store. Don't know if it will work but if it does, I'll let you know. I would rather spend 2 bucks on charcoal and a little work than over 1500.00 on a canister from Toyota. - Visitor
Happened once and our mechanic got one from junk yard that passed the smoke test for a total of $900 installed. 6 months later all of the lights and codes came back. We said we were not paying over $1,000 again and traded the car in for a Highlander. We loved the RAV4 but they need to redesign the Charcola Canister and fix the problem. - pcquigley
P0442, Evap leak - small. Check engine light comes on with the two VSC traction lights. My mechanic ran the Rav's self-diagnostic and that came back with no evap problems. But, 2 days after resetting the warning lights, all 3 come back on. If it's this evap cannister, I hope Toyota will help with the fix because I'm not putting $1500 into this car. - Visitor
check engine light came on. mechanic told me it was probably the canister but that it didn't affect the engine so was okay to run with it. but time came for maryland emissions inspection, and it failed. mechanic now quotes $1500 to fix. Would like cheaper alternative! Would never have bought this car if I'd thought this kind of thing would happen this soon. - Visitor
reset the check-engine light - Visitor
error code 0446 - Visitor
It's still happening...Here in NJ I was quoted $500 at my toyota dealership on my second trip (I went along with the gas cap scenerio on my first warning lights on trip), My boyfriend said he could do it, after searching, I found it online for $313. - Visitor
This just happened to me, too. Suddenly my check engine, 4WD + VSC lights came on when I started the car in the morning. Took it to my Toyota dealership for diagnosis, and it was the canister. They volunteered to cover it "as a courtesy to me because I've been such a good customer & have always had my vehicle serviced there". The repair would have cost over $1400, and most of that cost is parts, not labor. It only took 1 hour to correct it. - Visitor
Toyota dealership wouldn't stand behind the problem. Had to buy online for $300 and will find a shop to install - Visitor
Getting the code po446. Have not done anything yet. Trying to find a common solution online. Looks like the evap canister needs to be replaced ~ maybe with all the valves? Whatever that means, it's apparently expensive. Not finding too many blogs/writings on this one as far as solutions go but the ones I have found pretty much say the same thing. Hope it's not too expensive a fix... Wonder if I will get better gas mileage or more power after it's fixed (I bought it this way...) - andrea1975
I have discovered if you overfill the gas tank (top off) it will cause the check engine light to come on. The way I discovered this is my wife said that the “check engine light” came on after she put gas in it. The computer then reports you have a problem with that canister because the fuel backs up into it. I went to get a quote thinking that I had a problem and was quoted with the same error number with a cost of $1500 to correct. Since I did not want to pay the high cost and it was not an engine problem I decided to wait it out. The check engine light eventually cleared but it takes a few weeks for the gas to clear out of the canister. I confirmed this by overfilling the gas tank myself and light came on and it took a couple months for the light to clear. Glad I held off, would have been a waste of money. Do not top off the RAV4 it could fool you into unneeded repairs. - kevinolsen
Check engine light comes on with another 2 lights ... 5 codes comes up ... gas cap replaced; oxygen sensor replaced for $600 and now lights are back on ... they fixed the gas cap again and said it may be the vapor cannister/charcoal cannister may have a crack in it that leaks or it may be an internal leak ... who knows ... but they said if the lighst come on again, they would have to fix that even though it is currently not showing as a problem or crack and it will be very expensive, BLAH!!! - maggiec1968
Vsc, 4w/d, engine light. All lit. Exactly the same problem. Codes evap system. The part is $ 860.00 plus installation and taxes and any other fees. - dwilson11563
I am having problems with my engine light and vsc light I have replaced my 2 sensors and 2 catalytic converts and I also put 16's tires on and my light still keep coming on. - Visitor
Code P0456 evap emission leak code, hoping to get it fixed. just brought the car last year. - Visitor
My problem started about a year ago. Was always told
by mechanic that the gas cap was too tight. I have since which mechanics. I first got the filter replaced and it is still going on. Now I'm being told that it's the whole canister. The cost of part is 850$ I see other people have gotten the dealer to cover the cost. When I spoke to them they just told me the cost. I have been reading complaints about this problem for 3hrs . I wrote another complaint to Toyota and to consumer affairs. I hope Toyota finally does something about this. Seems in the newer rav4 they have put a cover under this part - Visitor
Charcoal canister needs to be replaced due to moisture collecting in the fuel tank - Visitor
i purchased 2005 toyota Feb 6,2015 after 2 weeks the check engine light and vsc trac lights came on after i filled up with gas.I took to mechanic shop said possibly gas wasnt tight. After i put gas in it,the lights came on again. This time I took it to Auto Check repair shop. They did diagnosis need replace gas cap as 1st step the lights went out.On March 10 2015 after putting in gas lights back on,i took it back to Auto Check repair shop is showed diff codes p0455,p0446,. This time there was a leak in the evap cannister. They called Toyota not under warranty.
The total cost to replace 917.84 - Visitor
Started the vehicle in the morning and the check engine light, VSC & 4wd lights stayed on. Took Rav4 to dealer and I was quoted 1450 to fix the problem. Replacing the Evaporative charcoal canister and Filter. When these lights are on I don't have 4wd or cruise. I live on a steep hill and must have 4wd in the winter. I am not about to pay 1450 unless I absolutely have to. I found a quick temporary fix is to disconnect the battery for 15 to 20 seconds and everything resets. I have 4wd and cruise again. This lasts 3 to 4 days and I then have to reset it again. I keep a wrench in the car and fix as needed. Total time is less than a minute. My wife is even comfortable disconnecting the battery. We have been doing this for about 6 months now. The only drawback is you have to reset the clock every time. - Visitor
the check engine light and the VSC and 4WD light came on after driving awhile. I reset it and it came back on. I changed the fuel cap with a genuine Toyota cap and reset the light and the problem hasn't come back yet. I'm keeping my fingers crossed and toes crossed(LOL). - Visitor
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