5 Symptoms of a Bad Purge Valve
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- เผยแพร่เมื่อ 1 มิ.ย. 2024
- Five common Symptoms of a bad failed evap purge valve.
Read here for more information. www.backyardmechanic.org/symp...
Video how to test a Purge Valve (No Tools needed)
• How To Test Evap Purge...
www.backyardmechanic.org
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Short, quick and straight to the point. Thank you!
Great video, only thing I would add after dealing with emission codes on my Cadillac Dts. Make sure you get GM genuine parts like sensors or a purge valve. I changed everything from a pump to the check valve and all the sensors. Turned out to be one of the cheap sensors wasn't working correctly and that was throwing my code.
Yup just got new cheap purge valve on Amazon. And it's bad
Phenomenal video. Thanks for the great detailed tips.
Wow I had a 2014 tacoma that started trying to stall out at red lights and difficulty starting after fuel ups and had to pump the accelerator while starting to get it to crank over. Went to toyota and to another mechanic and toyota did the 3 point fuel injection cleaning but didnt fix issue and other mechanic said put fuel additives in or use top tier fuel like Chevron but that also didnt help. I traded the truck in and all that time it was the fkg purge valve based on this video...funny part a friend who builds cars (works on his own vehicles) recently said the same thing. I swear getting a proper diagnostic that fixes an issue from a paid mechanic is nearly always a scam for a more expensive repair or to just avoid the work and get you off the lot for a diagnostic fee knowing they didnt fix the issue.
Would it also call for the fuel vapor leak detector to fail? Please help
GREAT VIDEO. THANK YOU 🙏
Great synopsis. Thank you!
I'm getting code p0456 you think it would be purge valve?
Great Vid Thanks 👍🏽
Hi thank you for your comment on the purge valve . where is located the purge valve on 2011 ml350 diesel?
thank you
Find your intake, observe and trace all the hoses less than an 1inch in diameter that lead away from it. The solenoid is as big as the palm of your hand.1 inlet, one outlet, and one electrical connection.
My 07 yukon xl is hissing (blowing fumes out) for up to 5 mins after I remove the recently replaced gas cap to fill it up. I do not drive it often, 3-4x a week to the grocery store although after AFM delete i start it daily just because of the pain that repair was...I'm not sure where to start other than the purge valve
I’ve changed two purge valves on my Chevy Cruze 2015. It ticks then it stops. Burning extra fuel now and no check engine light on. What is causing this? Please help.
Good video !!!
can I cause the engine to choke out and shut off mid drive as if it wasn't getting fuel
.I hear a screeching sound coming from my gas tank and then my idle drops and it has cut off on me when slowing down to a stop. I thought this was the fuel pump so I replaced it and then shortly after it began again though the idle it stronger but it still drops my idle when it happens. Also, I replaced the purge valve solenoid as I get the error code for that off and on. Any thoughts?
7 months too late but it could be the idle air control valve if you have one.
I worked on a car that wont stop running after the igition was off. It turned out to be this little bastard vavle. 😂
Tell me you liar without telling me you liar
@@alexsoanneso7873LMFAOOOOOOO
I have 2015 hyundai elantra and getting code p0451..was driving car and car just cut off on me.
Where is it on a 2003 tacoma??
And with a bad purge valve you can also get a P0171 Lean code.
Stuck open, making engine lean, like mine.
Yes
Yes it can be, like an internal leak
About to change it
@@DONTESTISdid this fix your issue?
I just vhanged the purge valve on my car a nd the check engine like is still on and when i slow down or slow down the car sometimes feels like it wants to turn off and it has turned off and i just put the obd on it and got the same code for purge valve could it be the hoses ???
Still need to reset the code and check if it comes back.
Great Info Thanks 👍🏽
If you clear the code with a code reader and do nothing will the check engine light come back on? Just wondering if I buy a new gas cap
Yes after some while it came back on mime
Hey Bro. My wife's 2003 tahoe started throwing the P0442 code last week. Vehicle ran fine for about 5 days. Today, I went out to start it for her(cold Idaho morning), and now it just turns over but no ignition. Anything you can tell me pertaining this code that would cause it to just not ignite? My Wie literally drove it the day before and no problems. Thanks in advance if you see this.
It should still start and run with a P0442 EVAP code; there must be another issue. If the purge valve gets stuck open, it may cause it to run rich or idle rough, but it would still run.
@HVAC_Mechanic thanks brother. It's really strange as it's not throwing any other code. Thanks for replying.
@@HVAC_Mechanic hey i got a question i overfilled my truck twice and one day turned on fine then tirned off and when i turned my key to turn on it spills gas on bottom ofy truck gas tank
When I fill up my ford escape 1.6 it has a very hard time starting it just keeps cranking, I had a p1450 code but it turned off, it has a bad vacuum leak now can I just replace the purge valve instead of the whole purge valve system?
It’s your charcoal canister replace that and you should be good
@@BoostedBroz I ended up replacing it diy you are right it was stuck open! I appreciate the response 🤘
So I have a 98 Nissan Sentra I'm getting a p0440 code, I don't smell any gas but I'm definitely getting les mpg than I should and my car is sluggish when accelerating, for some reason it seems like it's worse on a hot day, for example in the mornings when it's not too hot it's not so sluggish but when I get done with work and it's hot, at first it's super sluggish and as I start driving it gets a bit better? Any idea what could be my problem? Thanks
A P0440 code is an EVAP Leak so I would try to find the leak. There are TH-cam videos on DIY smoke machines that make finding an EVAP leak easier.
@@HVAC_Mechanic ok thank you, also idk why but sometimes it will give me a p1448 and sometimes it's just the p0440
And I know a bad fuel cap would throw the p0440 but it wouldn't affect the performance of the vehicle would it?
@@renerubio5073 A P1448 code is the Vent Valve which is located on the charcoal canister. Evap codes usually don't affect engine performance much but sometimes can cause an issue. For example, if the purge valve is stuck open and there is a leak, it can cause an intake manifold leak. That is rare, but it does happen.
@@HVAC_Mechanic so what do you think it's wrong with my car? Like I said a p0440 sometimes a p1448 sluggish to accelerate specially right after starting the car fuel economy definitely could be better and so smell of gas I know it must be hard to say exactly what's wrong with it I'm just trying to know more or less what it could be so I don't get ripped off thanks in advance
I need help replacing purge control valve for Honda civic 2012 Ex and don't know how to find out which solenoid I need replacement A?
The Purge Valve will be in the engine bay, while the Vent Valve will be under the vehicle near the gas tank, usually combined with the charcoal canister. Both would need to be tested to see if they failed.
I have a 2013 buick verano. Filled up a few days ago, and now it won't start. Changed spark plugs, coil packs and tested fuel pressure. Would a bad purge value be the reason it wont start? No check engine lights.
@@HVAC_Mechanic But which one is usually the culprit is it the purge value or the vent value or even the gas cap? Thank-you in advance an this was an awrsome video !
Would it also cause a miss fire code po300??
That’s a random misfire for the cylinders could be a spark plug ,coil or injector
Would it cause a petrol smell in the car?
Yes, in some cases, gas can be smelled. Often though, when gas is smelled, the charcoal canister or vent valve is bad.
What about intermittent poor or “weak” starts? Did an obd2 I/M readiness test and evap is not passing, however I do not have any codes besides a 0141- not sure they’re related I believe that’s electrical. Thanks
could this cause the maf sensor to get a code
While anything is possible, I have never seen that happen. They are a part of two different systems; the MAF sensor detects airflow coming into the engine, while the Purge Valve is a part of the EVAP system.
Would this also make the vehicle struggle to turn on?
Especially when you had just filled the gas tank
how about theres no check engine
Do you have a video to chane one?
*change
Will it cause it to misfire ?
Yes a bad purge valve can cause multiple misfires
@@axelvargas7710 thanks I been trying to figure out what’s up with my gxp I already changed the valve it keeps showing up as my 02 sensors which Iva also changed
@@Bluntforce93ever find the problem?
code po446. how would that be fixed. i think its the vent valve near canister. someone said the actual purge valve solenoid will never ever fix code po446 when replaced alone. ill have my mechanic look over my car evap system. its not a gas cap cause i have tested those.
A P0446 code is usually the vent control valve on the charcoal canister or an EVAP leak.
@@HVAC_Mechanic i really appreciate reply. 🏁👍
@@daviddowns7552 Did you find out the cause of your P0446?
@@midnightsunturboi will probably have to leave my car with mechanic to check the system out.. im thinking vent valve on canister and possible faulty lines. ive been erasing code only temporary fix. i have had hard starting and light backfiring and using more fuel.
@@daviddowns7552i have the same thing with my car currently
did your mechanic fix it yet
what did he say
thanks if you reply
What about p0175 that’s what I’m getting
I have a code Po455 code can this make my car stop ???
When I fill up it sometimes will kick the pump off I can hold the pump at like 90% and it won’t click off but if I fill it up too fast it’ll kick off the pump and there is a tick coming from my engine bay and I have mildly crappy gas mileage
I got the tick too, you found out what it was ?
@@Lurkin404 yessir
Evap purge sylenoid
Same here also feels like it has a problem like not down shifting kinda feels like o2 sensor failing or your in to high a gear going to not going fast enough. I knew it’s was air/fuel issue. Got my codes read and this is the only issue!
@@Wrapsession if it makes an odd tick not the vvt tick but a tick that sounds like bad nock almost it’s probably your evap purge sylenoid try unplugging it and seeing if it stops because once you unplug it it’s no longer trying to do whatever it does and it goes quiet stupid emissions bs
Will it cause the car to die randomly
Dirty air filter or maf sensor also the intake gasket
Light doesn't always come on
Could this make a misfire happen
Got the same question
If the purge valve is stuck open, it can cause the engine to run rich and, depending on the engine, may cause misfires.
Very good information anyone here can confirm if this bad purge valve can cause a catalytic converter code of malfunction Please.
A stuck open purge valve is the only Evap component that can affect the engine, but it usually causes rich codes such as P0172 / P0175.
Thank you 🙏
So it won’t cause a no start
Usually not no
What about P0190
A P0190 Code is a "Fuel Rail Pressure Sensor Circuit Malfunction," which points to an issue with the fuel rail pressure sensor or fuel pressure issue.
Would a bad purge valve cause my car not want to fill up with gas. I could only put 3 dollars and after that it won’t let me fill up anymore
That issue is usually caused by the vent valve or charcoal canister. I made a video on why this happens; here is a link. th-cam.com/video/t_nSVNa-48c/w-d-xo.html
You gotta give more money to the cashier or put money in your bank account🤣🤣🤣🤣
Life is like. Box of chocolate.🧐
Is a purge valve supposed to tick continually? Also, if you pull the vacuum line while the engine is running, is the purge valve supposed to suck air in intermittently at the same rate it was ticking? Please help.
My 2017 renegade won't let me fill it all the way up. When i do, once I'm driving, it chokes. And it's hard to crank. As long as you giving it gas its fine, but soon as you pull to a red light or stop sign, it shuts off. Also got a code of p0441
It is very likely a bad Vent Valve. I made a video on this problem; here is a link. th-cam.com/video/t_nSVNa-48c/w-d-xo.html