How To Test Evap Purge Valve is Good or Bad (No Tools Needed)
ฝัง
- เผยแพร่เมื่อ 17 ม.ค. 2023
- A quick way to test if the Evap Purge Valve is working or has failed.
Read here for more information: www.backyardmechanic.org/how-...
www.backyardmechanic.org
By using this information user assumes all risk of use. - แนวปฏิบัติและการใช้ชีวิต
![Supernova - aespa エスパ 에스파 [Music Bank] | KBS WORLD TV 240517](http://i.ytimg.com/vi/bepqfR-pxY0/mqdefault.jpg)
Short, to the point, easy to understand. This is exactly what type of car repair content that we need on TH-cam! Thank you!
Exactly! We don't care about a life history.
Amen 🙏🏽, short videos are always the best, this guy deserve more subscribers 🫡
Thanks man thats the same sound when i first started my mitsubishi lancer 2005 i got an error code P0456 small leak i already replaced my gas cap in the orignal dealership gas cap but i still have this error… is the symptoms sometimes im loosing power when i press the gas rapidly like chocking is that one of the symptoms? Also the sound u is same as my lancer. Thanks man for this short video!!
Yes short and to the point
That right comment in the entire section , thank you sir
It’s always cars guy who make videos that get right to the point.
When I was younger my grandpa had me pull his finger to test his purge valve. It was always in working order, his rear end made a noise every time.
😄
🦙💨
bro that was so funny you had me going there lol.
Omg 😂😂
Only guy that said car needs to warmes up to valve test. Everyone else has folks checking plugs, fuses, etc. Thank you for posting.
Yes this is exactly what my father and I found yesterday. I wish we had found this video before then but is helpful to see even now.
no nonsense about your life story and to the point, awesome video, subed
this was absolutely the best automotive "diag" vid ive ever seen,, , brief and to the point- easy to understand. thank you a ton! gonna go test this out on my galant
Simple & to the point. Great video.
Brilliant & simple! 👍
Excellent video thank you. No need to waste money on a part thats good without testing first
this video is super helpful, thanks for explaining how each part worked and how the whole system is kinda put together. it really helped me get an understanding of what’s going wrong with my car
Excellent! Thank you for this concise information, Sir
Awesome video! Thank you! Concise, to the point, and great camera placement! This will really help me either confirm or mark off why I’m getting an evap code.
oh and here i was thinking it was on the opposite like it opened on first start to aid for the fuel and then closes when the engine warms up 😅
thank you for clearing that up
Very helpful tip. Thank you
This is the exact noise my car is making. Thank you very much my friend! 🍻
Thanks for the tip👍👏
How to trace a big leak from the Vapor canister?
Another great video. Thank you sir
Top notch video, thank you.
Man, I want to give you a hug for that. Thanks.
thank you for your information so useful!!
Thanks bro, nice explaining.
Great video. Thanks!
great job. it is so easy when know what you are doing. thanks!!!!!!!!!!!!!!
Thank you buddy...excellent video
Thanks, that was great! If you don't want to wait for the car to warm up, you can remove the electrical connector on the valve and clip a wire to each of your battery terminals. Carefully touch the other ends to the electrical contacts on the valve. If the valve is good, you'll hear a clicking sound as the solenoid moves.
Yu can use a 9v battery also.
doesnt matter positive and negative on the connector?
@@contouraerialsYes, it's a solenoid
Dude, can you make a video? I’m too dumb to confidently do this after reading words 😉
On the e240 merk there is another purge valve on the side of the fuel tank to the canisters grate video
when the engine goes into close loop is when it starts operating and the fuel trims will go a bit rich because of the extra fuel vapors thats pulled in.
A effective to the point video , thanks
Very good information thanks 👍
Thank you for the explanation.Mine is stuck open 🙄
Thanks this video just showed me how to test this and save me money, really thank you
Just buy it. Mine cost 15 bucks and I also replaced the gas cap. Tacoma truck 253,000 somethings gotta break.
Thank you so much my car keeps saying I have a Evap leak and we have tried 2 different gas caps so it’s not my gas cap so just trying to figure it out on our own so we don’t spend a ton of money getting it fixed in a garage
Thanks so much
brilliant video
Great video
Excellent Video!!
Thank you Sir
Awesome video easy to follow
Good check, but note that GM does a evaporate test on cold start and passes vacuum to the evaporation system. If the system does not hold vac or is not vented quickly on Vent, or build vac, codes can be set.
Thanks dear, bless you.
Also, you can just put 12v power to it using some jumper wires and you can hear it click to open and you will be able to blow through it. Without power, valve should be closed and won't be able to blow through it.
what car is that where the evap valve is right on top for you? I cannot find it on my 2009 subaru outback
Thanks bro... this helped
Sweet! Thank you!
Would this cause my car to feel like i lost a cylinder or two if its bad solenoid? I got a code for the purge flow but not sure if thats whats causing my car to feel very slugish
Thanks, What engine was this test done on?
I HAVE A 05 MERCURY MARINER. USING YOUR VIDEO HERE AND EVEN THOUGH IT'S FROM ANOTHER TYPE OF VEHICLE, I LOCATED MY PURGE VALVE AND I WILL PERFORM THIS EXACT TEST. IF IT'S BAD I WILL REPLACE IT. MOST OF ALL YOUR VIDEO HERE WILL SAVE ME THE TROUBLE OF GOING UNDERNEATH THE CAR NEAR THE GAS TANK AND CHANGING THE VENT SOLENOID VALVE WHICH MAY STILL BE GOOD. IF THE PURGE VALVE TURNS OUT TO BE BAD. THEN I KNOW IT'S NOT THE VENT VALVE UNDERNEATH THE GAS TANK. THANK YOU VERY MUCH FOR POSTING THESE TYPES OF VIDEOS. IT HELPS ELIMINATE A HEADACHE AND IT HELPS PEOPLE KEEP UP ON THE MAINTENANCE OF THEIR CARS. WHO HAS TIME TO TAKE IT TO A MECHANIC AND YOU GOT TO LEAVE THE CAR THERE ALL DAY WHEN YOU NEED TO USE YOUR CAR DAILY. AND IT'S A TOSS OF THE DICE IF THE MECHANIC IS HONEST OR NOT..
ALRIGHT BROTHER LET ME KNOW WHAT HAPPENED
@@gt_drew2258 I REMOVED THE PURGE VALVE ON THE FIREWALL AND RAN DIRECT POWER TO IT AND IT'S FINE. THEN I DID A ELECTRICAL TEST AND FOUND THERE IS NO CONSTANT 12+ POWER THERE. I HAVE TO ALSO CHECK IF THE COMPUTOR IS SENDING THE 12- SIGNAL. I WILL LET YOU KNOW HOW I MAKE OUT AFTER I LOOK INTO IT FURTHER.
HOW DID IT GO???
😂😂
Thank You 🙏🏼
My 2005 Honda Civic exit and shut off. When I put the hose back on.
Thanx , good job
Great video 👍🏿
Thanks for making this Bro !!!
😀😀😀
Thanks!
Question: that blue part at the top should be connected to the purge valve?
Should it have constant power with key on to the purge valve plug?
Purfect video!
The other purge valve that always give you a Small Leak Code is the one up under the rear end ant it cost a mint.
I have watched videos on replacing the purge valve on Hyundai's but none show the exact location of the purge valve and how to get to it.
Hello friend when the engine going warm, does the Files when you touch it in your finger you feeling like little vibration (the valve )is that normally or not thank you
Would this be the same part to cause overpressure in the fuel system or something else? I have a small evaporator code and getting horrible fumes from the tank area and also noticed my tank is wet and fuel dripping.
How many purge valves [solenoid] in 2003 lexus es300?
❤❤❤ awesome quick and easy
Thank you my code said it was the egr valve so got a new one same problem starts and stalls again till I remove the egr valve connector and it runs fine but once I done what you done it turned out my purge valve was stuck open from a cold engine replaced it and perfect and passed emissions aswel as it failed last time
Great Video Suggest a zoom out to show where in the engine compartment to find the purge valve
these valves are in different locations based on the make\model ect..
Good video thanks
Thank you for making it clear. Another video-er "showed" where the purge valve was by getting his arm in the way, and poof, the valve appeared in his hand. Not helpful.
will a stuck open purge solenoid cause the Po450 code i had my Toyota T100 3.4 check engine codes that came up i had the P0450 code and the P0441 code i know my purge solenoid is stuck open it draws vaccume whenyou start engine cold
Thank you for the video my name is Richard I drive a XLT 2021 F150 Ford says my purge valve was out they changed it and then it took them a couple weeks then they had to put one on my gas tank because I had a light on my Dash just got it back today after 3 weeks light come back on nice trying to say it's from the LED lights I put on my truck that had no problems for 2 months any suggestions
Does the motor have to be cold? I haven’t drove in a hour or so but motor still has heat is it going to work the same?
What if it works intermittently? When I started the car (2008 mercury mariner hybrid) it would not suck even after warming up. The car was higher than normal on idle and the p0455 code came in. I have checked voltage on the connector and I was getting 14v. When it went down to 13v I plugged it back to the valve and it started sucking. The engine light went away. Is the valve the issue or should I look elsewhere?
thanks!
I have the 5.3 Yukon 1500. Engine light on and it's pulling a code po449. The the engine hesitates at take off I don't know what the big deal is. I sure don't want to go underneath and get into that big hassle of changing the EVAP. Above the axel. And blowing out the lines is a hassle because you have to unhook him at the fuel pump. Then I saw another TH-cam video that shows a whole new style of evap canister. And you have to have new heater hose in order to make it work.
thanks for posting this ... can small evap leaks cause car engines to heat (not necessarily overheat) due to these exhausts not pumping fast enough?
can it cause a car to "shake and rumble" upon acceleration? my guess is an exhaust pipe might cause those types of issues.
My 94 f150 is revs up and down and then dies could this be the problem you think
2002 vapor canister Chevy blazer? Should we test evap purge valve first?
Can you make or do you have a video on how to test using a smoke machine. Im thinking about getting one to test
Great explanation! Mine is sucking like crazy even with the electric disconnected. Stuck open so I will replace. Hopefully that will fix my p0449 on a Chevy Tahoe.
Did it clear the code? I'm about to check this to see if that's the problem. My evap vent value behind the gas tank looks good but I can't check it due to the damn clip on the hose line (won't come off)
I had to replace the rear vent valve too. It was easy to get to but that clip is tricky. It takes a couple small screwdrivers to pry it out.
Damn, I don't even think I have screwdrivers that small. I'll go pick some up later on. Also on the purge value under the engine cover, how did you test it? Mine has a vacuum line attached to it that won't come off and a stem that has a screwed on green cap. Which one would I use to see if it is staying open or not? Idk what year Tahoe you have but mines a 06 with the 5.3. the previous owner neglected the hell out of this truck, rear main seal was bad and my lifters have that tick
I don’t get it why on my car I don’t get the purge valve after the car warmed up and two different purge valves not to open. I have no codes what so ever is very frustrating.
@joshuafleming4433 6 months later here lol. The clip pushes very easy.
A pair of needle nose pliers worked great for me. Trick is to push both tabs up Abita and pinch the top part with other hand then drop the pliers and the hose eascomes off
What if it’s the hose how do you remove the long hose in the front if you see it cracked
Problem is it is NOT showing the 3rd vacuum line going to the Purge on Fords, all the way to 2008. Not the bigger diameter plastic line carrying the fumes into the manifold, the small diameter plastic line the supplies vacuum from throttle body to the purge valve.
Not one so-called expert has answered this, though on one site the author said it was needed for a Ford Purge to operate.
I had a big vacuum leak/P0171 mechanic knocked the line off at the TB, I found it/fixed it. I had ZERO EVAP-related codes during the 2 weeks the vacuum line was disconnected, so what exactly is this vacuum line for? During the time it was off, I had all the usual things a vacuum leak would exhibit. Fuel trims way too high, high idle, then low rough idle, stalling, and low downstream O2 sensor readings. Also the P0171 would come back after I cleared it.
Would checking resistance on it work too? Mines got no resistance on it
What if it's stuck closed???
Does this valve start faulting and finally quits? Does it start sticking until it goes bad?
I tested mine as per your video and it does have suction. Twice though, after gassing up it won’t start like if it is flooded and eventually it will start.
Thanks
Good tip. Unfortunately, on my 2008 E90 (BMW) it is located underneath next to the gas tank. It's doable, but somewhat a pain unless you have a lift or ramps. This is great info for other cars however...Well done.
Phil
It sounds like you’re referring to the vent valve instead of the purge valve? Just guessing
@@BamaJoeBob Is the vent valve the one near the gas tank on an E90 (2008 335XI)...Thanks.
@@uptownphotography that's not the same valve. This purge valve should be near the intake manifold.
@@pennyluo9123 Thanks for this info.
To be clear are you saying the Purge Valve is not the same as an EVAP Pump? My EVAP Pump is next to the gas tank (and a pain to get to), so if the Purge is a different value (and is near the intake manifold), this would be great news as that I likely can get to easily to test. Thanks for your comment.
Phil
That's the charcoal canister vent valve
If it’s pulling when you start the engine, even after installing a new valve, what could it be? Or what am I doing wrong.
awesome thanks
I have a 2003 dodge Durango the say I have a large leak in my evap system can help me out troubleshoot it has a 5.9l engine thank you very much
Ive got a loght on for it but it works correctly with this test, any idea on what the problem could be?
My accord v6 purge valve also making that too til noise and it’s irritating too. Is there any solution to reduce the noise. Hondas technician said it totally normal
Thank you for making this test available. I own a 2007 Honda Odyssey with a P145c trouble code. I did the test and the valve test good. Any suggestions as to what I should check next. Thanks again.
Gas cap
So if vacuum during first 2-3 minutes then the purge valve is bad. Perhaps likely stuck open. Is that correct?
So mine (Toyota Camry 2014 with the 2AR) actually has a third nub but nothing is hook up to it (part 90910-tc001) is that just an air purge or is it actually supposed to connect to another vacuum line
What is the noise when you first started the vehicle? I have a 2020 Jeep wrangler 2.0 and it sounds just like this when idling, is that a normal engine noise?
You are amazing! Thank you!
I got an EVAP code and they suggested this part I changed out the part and the new one is making a that I never heard before. It doesn't seem normal so I don't know if it's supposed to do that. When I took my old one off I checked it for flow and I can't blow through it so they say it's good when it's like that so I don't even know if I'm replacing the part that is throwing the code?
Cool. So if the valve is good, how do you find out what's making the engine light come on from code P0456?
Would my tach bounce or stop working if this was bad? My temp gauge also stopped but all my codes say EVAP Canister. 2008 Toyota Corolla
I have an 07 avalanche. I got that code and it says its for that. Would that fix my starting issues? Because sometimes it takes up to 2 to 3 tries to turn on
Hi, my 2019 Golf has only done 6000 miles but it’s started to hesitate/buck under light load. I’m now wondering if the purge valve has gone bad!
Mine Does Vacuum But The Other Side Of The Purge Valve Doesn’t Blow Pressure!!
My check engine light came on, and the Code Read from AutoZone said: EVAP Canister purge valve, was the culprit. What is the cost to repair this? I have a 2015 Chevy Impala. Can a Backyard mechanic fix this?