2008 Hyundai Elantra P0455 EVAP Large Leak (Part 1)

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Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.

[@ScannerDanner]

Interested in the smoke machine I am using or any other tools, please use this link www.aeswave.com/ScannerDanner-c512/ All affiliate revenue earned from AES is being pumped back into the automotive community in the form of tool grants. Also, all merch sales are being donated to an SD grant set up for the students at Rosedale Technical College in Pittsburgh PA. You guys are helping me make a difference! Thank you from the bottom of my heart.

[@konstantinsh.267]

I welcome you from the distant country of Kazakhstan. I am a beginner auto electrician, I really like your work, approach to business. I’m studying from Vyssh’s videos, sometimes the truth prevents me from the language barrier, I don’t understand some terms in English. Most importantly, your videos are intuitive. Thank you for that! Sincerely.

[@ScannerDanner]

@@konstantinsh.267 I'll help you whenever I can with a word or phrase and help you learn its meaning as I'm teaching you to fix cars. I'd be my pleasure

[@chuysanchez4870]

thanks for your time, you are a good inspiration to continue working on the cars

[@konstantinsh.267]

@@ScannerDanner Thank you so much! I will be happy to help with your side!

[@theadventuresofjavier8698]

If your looking for a smoke machine that never fails to blow smoke, look at the governor of California..

[@ScannerDanner]

lots of governors these days huh?

[@oscarmeyer4338]

Smoke EM if you got em

[@SmittySmithsonite]

@@ScannerDanner - Yep, MA too! A "D" with an "R" after his name ...

[@nickwilson1476]

these videos have gotten SO GOOD with Caleb being involved!

[@calebldanner]

Thank you!

[@AutodiagnosticoDetroit]

THANKS TO SCANNERDANNER I AM A BEST AUTOMOTIVE TECHNICIAN, I NEVER MISS A VIDEO! PLUS, HE IS A PERSON WITH CHARISM AND NICE! GOD BLESS YOU!!!

[@ScannerDanner]

Caleb just said "ScannerDanners head hardly fits in the cars he fixes" haha thanks mam

[@joehomanick]

My business was slow for the first 3 days . After that till now 6/13/20 I have been SLAMMED!! One car leaves 3 get dropped off , .everything from tires to ac regular maintenance and of course my favorite ELECTRICAL .. I hope you guys get busy soon . Thanks for the videos !! You guys are great teachers

[@josueivanruiz]

I'm really liking the new editing! Great job guys. I always look forward to new scannerdanner videos! And yes, EVAP leaks were ALWAYS a pain!

[@brotherbrian1]

Perfect timing for a new video Danner. Broke my leg in a car wreck and am out of work until further notice. If I can't work on cars, at least I can watch you and Eric O and maybe pick up some tips along the way. Keep 'em coming!

[@ScannerDanner]

sorry brother, get well soon. At least you are still alive!

[@djellotouati4250]

I have not a very good English but when you explain things I understand you are such a good teacher. Thank you

[@sophisimplicity]

This video saved me $$$. I had the same exact issue P0455 Large Evap Leak. Bought a new gas cap, cleared the codes and checked all the evap lines. I eventually gave up and brought it to a mechanic to find the "large" leak. The mechanical ran a smoke test, exactly as you had done in your video and they couldn't find the leak. When they activated the purge valve and vent solenoid they both clicked. He noticed the purge valve looked new and asked me if I had replaced it, which I did myself two years ago with an aftermarket purge valve. He looked puzzled and said, "that can't be it then." He cleared the codes and told me to see if it would pop up again. 50 miles later the light popped up to my great frustration. I scoured the internet and your video was the only one that actually tried to address the problem. Totally worth every second of the 2 hours I reviewed. Bought an original Hyundai Bosch purge valve for $30 and installed the new part. It's been 500 miles later and the code hasn't popped up. Huge kudos to you ScannerDanner!

[@ScannerDanner]

Heck yeah man! Nice job

[@frankiev-tech4630]

Ladies and gentlemen...Scanner Danner just removed a tire with an impact gun...you just gained respect more than that diagnostic...🤣🤣🤣

[@ScannerDanner]

😂😂

[@dro2204]

I didnt notice a torque stick tho... Guess out in PA its just ugga duggas LOL

[@frankiev-tech4630]

@@dro2204 remember true technicians can torque by feel and the impact sound...the sound is prra...prra...prrrrrrrraaaaaaaaaaaaaaaaaaaa...oops snap crap!

[@josefelix4152]

Cvvt canister variable valve timing :B lol

[@ScannerDanner]

@@dro2204 torque wrench for me, every lug nut, every time

[@curtislong8201]

Scanner Danner, Thank you for providing this 3 part video. My Mother in law who is living on a fixed income, came to me with a check engine light on her 2005 Hyundai Tucson 2.7 liter. I checked it with a code reader and found code P0455. No other codes. I replaced the vent valve ($20.00) and the purge valve ($19.00). reset the computer and a few days later the light came back on. I could not find any leaks and ended up ordering another Purge valve ($26.00). a few days after replacing it the P0455 code came back. I was lost and had no idea what to do next. That's when I found your video. I ordered the factory part ($79.00). The light has not come back on. Your a life saver, Thank you for saving my mother in law what would have been a very expensive repair. Retired Navy SCPO Curtis Long

[@Vega.pdf35mm]

What part was it?

[@Paul1958R]

Paul, Great video - leak or no leak! Thanks to Caleb and James! God bless Paul (in MA)

[@roadkill5333]

I once had a mil with a codepo449 (I think) on a 09 Silverado. He changed a purge valve, and no fix! I got into it, and tested the vent valve, and it was intermittent, so we replaced that!! The money light came right back on, so I went back to read the code. As I was looking at some live data (smaller handheld code reader, with some live data) I witnessed a purge. As it stopped, the tank pressure reading didn’t return back to absolute zero! I removed the cap, and still not to zero. It was just not there, like 6in of water, or the like! The pressure and vacuum did respond, and reacted correctly, but just out of range on zero! I replaced the tank pressure sensor, which fixed the problem! The problem was the sensor zeroing! It was something like -250 in of water, to+250 in of water, in a range!! Since the sensor didn’t return to zero, it was a tick too much positive pressure, looking like the system didn’t vent properly. It responded to tests, and to the reaction of the working system, it just didn’t show zero, when it was zero. It was just a touch positive, at zero, telling my system that it didn’t properly vent!! Since the sensor was only positive to 6 in of water, it didn’t show out of range, and it did act appropriately to vacuum and pressure. My point is that just what Danner suggested!! New don’t mean working!! Or, working don’t mean working CORRECTLY!! It’s crucial to know what the info means, and what info is looked at, and what the info needs to be! In my case, the sensor reacted to pressure, it reacted to vacuum, but it was not in a recognizable range, so the pcm could understand its meaning!!

[@arthurfricchione8119]

roadkill5333 thanks for some great info. Good info to keep in the old brain. Everybody watches the ball but never looks at the gauge reading. Thanks again 👍👍👍

[@aggiespilot]

Your production quality has gotten so much better! I’m loving the humor edits!

[@ScannerDanner]

That's my son, finding his style. It is awesome for me to watch him coming into his own with this.

[@aggiespilot]

ScannerDanner he’s definitely got it figured out. Shows a lighter side and makes it more of a friendlier feel similar to south main autos vids (good thing) :)

[@spelunkerd]

As soon as I heard you say you swapped a part based on a guess, I gave a thumbs up for you having the stones to confess a mistake. Real men aren't afraid to say they made an error. Great point, you can't rely on the assumption of decompression when loosening the cap, because of the check ball. You had me laughing the whole time, outstanding entertainment.

[@ScannerDanner]

credit to Caleb for his continued editing skills for sure. Thanks my friend

[@marksprague4454]

I wish I could say no more EVAP. Leaks! I like these videos, because it's true to life, and sometimes hit and miss. I've learned more deniability from you than anyone, thank you, and keep on, keeping on.

[@nicholaskehren6153]

HAHAHA you made me laugh so hard based on your frustration at the end. That was absolutely hilarious. Please release part 2 ASAP!

[@ScannerDanner]

next saturday at noon is the plan, thank you!

[@paulbrito2960]

hola sr Paul danner this PAUL brito from atlanta ga at brito auto repair I HAVE BEEN WATCHING YOUR VIDEOS SINCE 3 YEARS AGO AND GOT YOUR BOOK WHICH IN COMBINATION I HAVE BEEN LEARNING A LOT FROM YOUR TUTORIALS THANKS A LOT FOR ALL THAT INFORMATION;;I LIKE TO TELL YOU THAT BETWEN MANY LATINO MECHANICS TALK ABOUT YOUR VIDEOS VERY PROFESIONALS AND REAL HELPFULL

[@ScannerDanner]

thank you so much!

[@KendallJohnsonCoaching]

07 Elantra I had a p0455. Found this video series. Replaced purge valve with new OEM part. Problem solved and no CEL. I wish I knew how many people saved a few hundred bucks from watching and following this repair video? Dan is my new favorite guy.

[@ScannerDanner]

Thank you so much! Oh and my name is Paul Danner :-) but it's okay, I get "Dan" all the time.

[@KendallJohnsonCoaching]

ScannerDanner got it Paul. Not wanting to do another evap repair turned into an epic Hyundai lesson. Hopefully everyone who catches the first video watches all parts. It’s a great story.

[@usarduinosandmore554]

I really love this vid saved me a load of head acks!!! Point of interest the Bosh part we could get here in central California, even at NAPA. we checked almost every parts store in our local area for a bosh part. Low and behold we went to the dealer and thy sold us a BOSH part about $85.00. when I Cleaned the original factory part it was also a bosh part or was replaced once before with bosh

[@geraldmartin3625]

SCANNER DANNER the parts changer😂

[@mitchellroberson]

Since I am a diy user. Autool has the cheapest smoke machine I could fine. Actually used it to test pool suction pipes. Worked great

[@mitchellroberson]

Love the editing

[@danielmusat597]

So, you tried to get away but it's chasing you, man... Can't wait to see part 2 of this!

[@Haitianinmyblood]

We demand more evap leaks lol Thank you for your all your videos

[@nzambukatumo1518]

Always my role model.may God grant you more wisdom..🇰🇪

[@Thunderroad8517]

Hey Paul, Surely you ain’t gonna let a evap leak get to you this way. Your an L1 Master tech!!!! Your our idol!!!🤷🏼‍♂️ 😂

[@30kendel]

Paul you love the evap leaks......😊

[@FixItPhillip]

Great Job Brotha as always!-FixItPhillip

[@isalmankhan1]

@12:13 "All that for nothing Caleb" Reminded me of times when my Dad used to investigate the cause or effect & would say the same lines😉 But guy's my Dad never worked on my fiance's car😁 You guy's are Awesome😎 Caleb great work it's truly professional👍 Stay Safe❤

[@VoltageDropDiagnostics]

Caleb's editing has me cracking up in this video! But I need to see part 2, as well as hear more about these adult slushies haha!

[@ramonsolis3967]

Hey ScannerDanner I work for Hyundai and I hate doing Evap problems but For Elantras the gas cap is 99% of the time the problem for large Evap leaks, And for The Sonata Hybrids the NVLD for small Evap leaks great video, I have had A santafe with same issue but it after pulling half of my hair I found the issue was the Fuel tank pressure sensor Good luck in your quest can wait for part 2

[@es2910]

The fuel pressure sensor caused an evap leak or only tripped a code?

[@ramonsolis3967]

@@es2910 it tripped the code

[@es2910]

@@ramonsolis3967 interesting thanks. I wonder why

[@salvadorgutierrezr5914]

You got this Scanner Danner, I believe in you, also son Caleb, and thanks for the video🙏👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍👍

[@Pablo_Automotive]

Thanks a lot Danner team =)

[@quangnhatnguyen1172]

looking forward to part 2!

[@elvisvwvw]

Continuous Variable Valve Timing (CVVT) is a valve-timing technology that controls the timing of a valve lift event and is often used to improve performance, fuel economy or emissions. CVVT allows control over the timing of a valve lift.! :)

[@jonsautorepair]

Great video, very funny, Kaleb you’re doing a good Job

[@wyattoneable]

Lots of fun to follow along Paul.

[@ScannerDanner]

More to come! Craziest EVAP problem I've ever seen....

[@theadventuresofjavier8698]

Wyatt 🖑

[@chetmanly5331]

This is fantastic

[@nateb.1568]

Paul, you are such a funny individual 🤣🤣

[@labradormcgraw]

As popular as ScannerDanner is, he's still the most underrated auto guy on KZbin. There is nobody who can hold a candle to his level of diagnostic ability.

[@ScannerDanner]

thanks my friend, I appreciate this comment and I am okay taking a back seat to a lot of the other guys these days because I know where they got started, right here with me 😎

[@labradormcgraw]

@@ScannerDanner ...And humble to the last. This is another example of being so underrated.

[@theadventuresofjavier8698]

Paul saved my career. Several years ago i was burned out and wanted another career. After finding scanner danner it ignited a fire in me to get deeper into diagnosis...thank you again Paul

[@ScannerDanner]

@@theadventuresofjavier8698 these types of comments are worth more to me than gold itself, thank you for sharing my friend

[@ScannerDanner]

@@labradormcgraw Proverbs 11:2 When pride comes, then comes disgrace, but with humility comes wisdom. Thanks again brother

[@nancylewis7142]

Hallo paul thanks for this video I'm in Mexico at this moment but when I get back I will get my 3, t-shirts V neck.

[@TheCrazy243]

“ScannerDanner parts changer” hahahahahahaha. hilarious!! at least I learned something today. I never work evap leak code yet. I’m actually avoiding it because it look hard. I just need smoke machine. My mom have a 2012 Ford Fusion. She have evap code (have it for years) . Older (2010-2012) Ford Fusion known for bad fuel filler neck pipe. We live in Mississippi. No inspection test for us lol.

[@danman9017]

thank for the video

[@JimmyMakingitwork]

Ready smoke, ready right after you smack it around a bit.

[@jamiereyna5187]

It may be neck of filler cus I I have to keep my on to fill up the gas tank if not the car won't start and I also have the large leaf I'm going to try to do all the things that you did cuz that's I learned a lot from you thank you now let's see the rest of the video if they if I was correct at the beginning of your video

[@hpelisr]

Yes, but I need the training. You have to keep teaching this info.

[@Bluewrench61]

Have you ever tried to take the hose off of the the vent filter if its separate from the vent valve and smoke tested from there after you verify the vent valve operation?

[@tsskage]

Greetings from Poland!

[@Turbotomass]

Kia/Hyundai did have ecm updates for Evap codes. Trying to think of the car and the codes. Sometimes fuel tank air filters fix Evap codes. There really good about tsb and campaigns. Always good to check first of these cars.

[@SuperSecretSquirell]

"Parts changer" lol

[@jonathanrubin3603]

I Followed the instructions on testing the purge valve , even though the purge valve is energized you need to rev up the engine to 1500 to 2000 rpm and pinch off the hose leading to the canister to show vacuum on the gauge . After doing this I confirmed that I had a bad purge valve . A OEM purge valve cost $110.00 + tax .

[@eacherenkeka]

Saludos Paul! No evap leak found! Advise your daughter in law fuel filler cap ALWAYS needs to be properly secured.

[@weldingjunkie]

I have a feeling it’s a sticky NLVD solonoid issue. Run those uggas on that rim lol thanks for sharing Paul.

[@shermanbird3248]

After watching this through part 2, I feel your frustration about shitty aftermarket parts. I did a complete brake job with hydraulics on a 1998 Accord EX back in 2017, using aftermarket (Centric) parts. A few months later she called and stated the red brake warning light was on on the dash, and that the fluid was very low, and there was a puddle under the driver's front area. I had her get it towed in due to safety concerns, and determined that the master cylinder sprung a leak. No problem, just warranty the master cylinder...... 4 times total over 18 months! I even paid for a different aftermarket brand on the last one, but it only lasted 2 or 3 months! All of them leaked between the reservoir and main body of the master cylinder in the same spot!! I bought one from Honda, put it on, and there has never been any more problem since. A few months later, the starter went out. She demanded an original Honda starter, even though it cost over double an aftermarket part. This is just one of dozens of crappy parts I've been frustrated by over the past 10 or so years! In some cases, the situation is reversed! I no longer use Motorcraft starters or A/C compressors due to early failures! This is only one of many experiences where crap parts have made me consider going into the ministry! ;)

[@ScannerDanner]

Everyday is ministry my brother. It is all in how we use it right? Definitely felt your frustration on that story. God bless

[@muresanioan7130]

thanks

[@jerrodbuffington4929]

I was told once that using air thru a smoke machine can be dangerous. I still do it because I don't have nitrogen. Just wondered what your thoughts are. I been using shop air for 10 years now.

[@kevinminor2558]

I am pretty sure you can do an evap bay test on that car. I recently had a stuck open purge valve on a 2010 Hyundai Elanatra. Replaced the valve with Duralast part. I could not get it to pass the bay test, Finally drove to dealer bought factory purge valve and it passed. The Autel Maxisys elite does the bay test.

[@billyr9840]

Nice !

[@HtownSpartan]

I changed the front and rear valve and gas cap and still check engine light turned on again same car turned on back again after driving it 40 miles after I reset code, what else could you think off brotha...? I'm like totally giving up on it

[@Russell_Duncan]

The frustration is real! 😂😂

[@asrarjamal2159]

U did try your leave best

[@Watchyn_Yarwood]

"I'll never do another EVAP leak!" Words of wisdom from my mom many, many years ago, "Son, never say never".

[@tubeyou0925]

Hey Paul, my parents had a 2008 elantra, bought it brand new (was my first car!). Just last year it had the large evap leak code and 3 garages smoke tested it and they all said there's no leak. After changing purge and vent valves, and not being able to clear that code, just last week, they traded the car in at the dealer. Seems as though you're having the same issue... A "large leak" where there isn't even a small one. Hope it's nothing nefarious on Hyundai's part... That one simple code makes the car unpassable in many states, requiring you to buy another car. Looking forward to what you find as the cause!

[@venturafredis]

buenas tardes saludos desde houston

[@TonyRule]

21:11 If there's a check valve in the filler neck, that's crazy. If there's any pressure in the enclosed system and you start to top off the tank with fuel, that pressure will immediately vent up the filler neck when you start pouring fuel. IRL that will only occur if you are topping off the tank without having just driven the car (to give the enclosed system an opportunity to reduce any pressure (due to thermal volumetric expansion of the fuel) to a slight vacuum via the emissions system). But if you're at home, decanting fuel into the filler from a gas can, you could get a bit of a fuel blow-back from the air rushing out of the tank.

[@kylew657]

Couldn't you use the emissions testing machine to test the gas cap?

[@ljchrzan]

Did it have a Bosch brand OE purge valve? I have replaced so many of those that leak, and now I've found that aftermarket replacement parts "work" but don't "work correctly."

[@ScannerDanner]

I cannot reply yet 😉

[@graywaveautodiagnostics9389]

I used to always use the flow meter on the smoke machine to tell me if there was a leak or not. However I had one vehicle with a leak so small, the ball dropped all the way to the bottom, but still had a very very small leak. I forget the vehicle, just something to keep in mind.

[@throttlebottle5906]

oddly, the older hyundai's I don't recall fixing a single evap leak, beyond a few gas caps that were worn out from highway mileage and many refills

[@user-su3dw5cq9f]

Your follower from Saudi Arabia 🥰🥰

[@user-su3dw5cq9f]

My english bad🤥

[@ScannerDanner]

I understand you! Thank you my friend

[@user-su3dw5cq9f]

@@ScannerDanner you are welcome❤️❤️

[@thirdeye530]

Ha! I was wondering why you were doing another evap system leak after that Honda evap video you did where the leak was so small that you couldn't see any smoke. I remember you saying something in that video along the lines of: "I HATE evap systems... this will be the LAST evap system I ever do!"

[@brianmason1414]

Yes, he did say that, BUT, the rules change when it comes to family. Remember, this is his son's fiance's car....

[@douglash3129]

Doesn't Danners emission machine have a gas cap tester Paul?

[@VashthStampeede]

Could the pressure sensor be the problem?

[@fsolo97solo94]

I had this happen to me the new purge valve was stuck closed put a new oem one and it worked lol my kinda luck

[@shawnbauman5463]

Paul, your in PA. Use your emissions machine to test the gas cap. It has a stand alone test for just the cap.

[@ScannerDanner]

My brother said he doesn't trust it as 99.9% of gas caps pass

[@shawnbauman5463]

@@ScannerDanner fair enough

[@jdtractorman7445]

Try blowing air through the purge valve, should not be able to. Is it a BWD brand? I think Eric O. and Ivan call it broke when delivered. Sometimes when those stick open it can cause an extended crank time after refueling.

[@E85_STI]

I bought a smoke tool as well and on my Acura I see the smoke co king out from the top of the tank so I’m going to have to figure out where it’s coming from and it’s weird I have no cel only the check fuel cap message.

[@ScannerDanner]

you have to make sure you block the Vent valve before smoke testing it. Did you do that?

[@E85_STI]

@@ScannerDanner no not yet and I’m watching to learn of course and I’ve done a lot of other work but never evap checks. So for the vent that’s on the actual fuel tank not the canister right? My canister doesn’t leak anything but there’s a ton of smoke coming from the top so I will see if I can access the top via the rear seat or drop the tank. Thanks brother I appreciate the response. I know you hate evap leaks lol dang you guys filmed this during the initial Covid stay at home. I was essential at my job since I was a platoon sergeant but I thought that was funny when he said I’m essential.

[@ScannerDanner]

@@E85_STI I have a Honda evap video that will help you. The vent valve will be near or on the canister and will have a hose that extends or dumps into the frame or possibly a filter. That is the fresh air inlet and that valve is normally open, so you have to electrically close it or pinch off that air inlet hose anytime your doing a smoke test. So all that smoke your seeing could be dumping out of the frame area from that vent

[@richardcranium5839]

DANNER: "i'm essential" Paul is thinking " no your special erg" lol then kaleb says you have crap on your head just so you grab a greasy rag lol

[@dro2204]

"Im essential" sounds like Ralph from the Simpsons LOL

[@themc3311]

@@dro2204I laughed waaay to hard at that! Love it!

[@nelsonnarciso1791]

I learned you still dont like doing EVAP LEAKS TESTS hhahahaha great video buddy.

[@user-su3dw5cq9f]

There are two cam sensors. Question What if the year's cam sensor is fired or unemployed, will the car work? My car has two cam sands. One to feed and one for exhaust. I learned from you, the car only works with two signals. Cam sensitive and carnak sensor But I have two cam sensors. Will the car be affected if it's a exhaust cam sensor?

[@user-su3dw5cq9f]

I hope my question is clear. Use a Google translator to write 😞😞

[@int53185]

LMAO @ 1:42!

[@ScannerDanner]

haha you caught that, I missed it the first time. Caleb messing with dad again

[@paulpletcher6517]

2004 5.3 Z71 a/c with avery thing replaced but computer & starter has periodic no start/ no crank but sometimes starts going backwards in start position & always starts after removing staer relay & jumping engine there. Crazy for this "I'll do it myselfer.??? What's up???

[@ScannerDanner]

when it doesn't crank, do some voltage measurements at the starter and then go from there, no reason to speculate without those test being done first DURING the no crank situation

[@adamcurry5033]

I have this a thumb up after the guidance counselor comment haha

[@Hndsomehubby]

Yup hook to the purge line under hood

[@notsponsored103]

Speaking of Gas Caps, every time I take mine off at the Gas Station it vents. Is a vacuum in a fuel tank a problem?

[@ScannerDanner]

As long as you're not having trouble filling the tank and you have no EVAP codes, I wouldn't worry about that.

[@brylleespares9856]

Happy Father's day!

[@user-su3dw5cq9f]

Where do I find a program for car electricity schemes?

[@ScannerDanner]

eautorepair.adtrk.biz/?a=10817&c=24&p=r&s1=

[@nickmayo2974]

The bleeps make it so much more realistic that you're fixing cars 😆

[@rocketcharger17]

Right back where i started Car ran really good for two days After putting in bosch Purge (kimco ) Grabbed two from junk yard tested both Both worked Now back to running crappy and check engine light on Gonna seen if ground wire to frame is bad somewhere But i dont think so Car is in really good physical shape with almost zero rust Gonna check idle air control and see if i got vacc leak to the Solenoid Im so tired of this car !!!!!! Hyundai you will never see me buy another one of you

[@vitaminb4869]

So what are the negative impacts of a P0455 code? I have this code come up every few months or so on my 2009 Jeep Wrangler. I just clear it or let it go away and it doesn't come back until next time. I can't really tell any difference when the code is on or not. Had this going on since I owned it, for past 9 years.

[@ScannerDanner]

9 years with the same code? I think you have your answer as far as what the impacts are :-) The only real dangers with an EVAP leak is if you park in a garage and you have fuel vapors filling that space. There can also be an adverse affect on gas mileage if the purge valve is sticking open, other than that, there really are no other adverse affects from an EVAP leak

[@vitaminb4869]

@@ScannerDanner I park it in the garage, but never noticed any gas smell. I just took a quick look at the purge valve and the tab it is mounted on is broken, and the valve is just kind of hanging by the hoses. Not sure what happened there, but probably worth a more thorough look.

[@thomastorres4125]

Sometimes I smoke through the vent if the car doesn't have a port or ill use my FPT 290 fuel pressure test kit to tap in somewhere

[@PhillyDee215]

Lol evap leaks can be so tricky😏

[@hardyb311]

My 2011 sonata 2.0t i barley drive with 59,500 garage kept has the po455 i changed gas cap, purge valve, Canister Vent Valve code came right back after 5 miles down the road what's next that i"m over looking?

[@ScannerDanner]

Keep watching! This is part 1 (spoiler alert, aftermarket purge valve was our problem)

[@hardyb311]

@@ScannerDanner It did the same with the original parts :(

[@ScannerDanner]

@@hardyb311 but you may have built in a problem along the way

[@arthurfricchione8119]

Paul I’ve just purchased the ready smoke from AESwave. How much air pressure did you apply? Hope all is well with everyone good video Artie 🙏❤️oh yes you will who are you kidding Paul 👍

[@ScannerDanner]

full shop air, these have regulators built in that reduces the psi to I think 1.5 psi

[@arthurfricchione8119]

Thanks Paul that's what I thought but just wanted to make sure. 🙏❤️

[@mariocoronanotonlyimports8620]

What is full shop air...some smoke machines will recommend no more than 110 psi. Even though they have a regulator...check the manual... my compressors regulator is at 130 psi. Even though typically 90 psi is the usual recommended psi for air tools.

[@arthurfricchione8119]

Mario my compressor can put out 200psi so I will keep it at 90psi or below. Thank you 😊

[@SmittySmithsonite]

Yep, I hate EVAP too! The only system on an automobile designed to bilk money out of the owner, and frustrate technicians into changing careers. As only a gov't-mandated system can! 😵 Nice one as always! FUNNY and informative! 👍🍻

[@mr952fast]

This comment may be moot since you say no more evap leak tests. But I do maybe 10 evap leaks a month, for the past 5 years, and yes, almost every Hyundai doesn't "have a leak". I've found a couple tips over time. One, testing the system under a vacuum can better check a leaky cap. Done this by blocking vent valve, then engine running, back probe purge valve control side until max vacuum is shown on data pid, then unplug purge valve and quickly shutoff engine. Watch vacuum bleed-up rate. Also, something to note, a purge valve that fails to open, can set a large evap leak because the computer never sees system go into vacuum and translates that as there being a large leak.

[@Jangus]

CVVT means Continously Variable Valve Timing. (Cam phaser)...

[@ScannerDanner]

yeah, I figured that out in the edits, sorry about that

[@pingpoon8394]

Hi Paul: Question I have here is: If P0455 code set ONLY after you cleared the ECM codes and the system has to run the evap monitor test, usually the problem is in the vent valve, since the vent valve never need to closed until the PCM runs the evap monitor test and commanded the valve closed for leak check. Also, once the evap monitor leak test is completed and passed, will the PCM run the leak test monitor anymore? any advises? thanks

[@ScannerDanner]

Yes, it doesn't just run it once and then not again after it passes. This test is run on every drive cycle if the conditions are right for it to run. Tank level has a factor in the leak test as well as many other variables

[@pingpoon8394]

@@ScannerDanner Hi Paul, now I know, thanks for your reply and answer ✌

[@dominicdo]

so did the Canister Close Valve fix your evap leak?

[@ScannerDanner]

Nope, bad, new, aftermarket purge valves (multiple) Factory part was the fix.

[@dominicdo]

@@ScannerDannerI usually blow into the purge, if you can blow air though it then it's no good. Good to know, thanks and keep up the videos, I learn from you every day.

[@ScannerDanner]

@@dominicdo Make sure you at least watch the final part, You will be surprised by what I show. The test you described would have passed with flying colors.