Check Engine Light? EVAP Flow During Non-Purge Condition - Code P0496

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Did a scan of your check engine light give you the code P0496 - Evap Flow During a Non-Purge Condition? If you're not sure what that means, or how to fix it, this video is for you! Andy shows you where to look for the problem that triggers this code, and offers the most common solutions for you to try! Check it out!
Check out this video to learn more about the EVAP system!
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⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

[@1AAuto]

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[@terrygonzalez1550]

You were amazing!! I'm 65 years old and you spoke in "simple" English. Now, I'm going to show my husband this video and hope he will fix it. I hate to take it to a shop when it seems we can do the fix ourselves.

[@1AAuto]

+TERRY GONZALEZ Thank you! We love empowering our customers and showing how to perform DIY auto repairs with our high-quality auto parts. 1aau.to/m/Shop-1AAuto-c

[@christophertracy2807]

What does being 65 years old have to do with anything?

[@t.e.1189]

Very well done. Not like another video I just watched by a so called mechanic that just changed the part without diagnosing the problem or telling how to verify it afterwards. When I asked how he diagnosed the problem he replied the scanner told him which part to replace. I knew better. Scanners don't work that way. They merely point you in the rights direction for you to further diagnoses the part. Always enjoyed 1A Auto's videos. Keep up the good work!

[@mackdubb6506]

Best advice ever! Tightened up the gas cap and the code magically disappeared...Thanks bro!!! .

[@stevenkimber4735]

It’s a great video. Just out of habit, I would check the new part as well. You got your vacuum gauge right there. Thank you.

[@johnnyhernandez5531]

I had the exact same code on my 2007 chevy silverado classic style with a 4.8 engine the code reader at autozone suggested to change the fuel tank pressure sensor so I did which is a pain in the rear to pull off, I ended up breaking it trying from underneath I had to remove the bed to remove the remaining part and installing the new one it's much easier that way My problem continue I replaced the purge valve and solved the problem which was the second suggestion The truck wouldn't want to start after fueling When cold in the mornings I had trouble starting it it would cough and stall

[@Lonewolfmdv6028]

I have 2 times light since 2 weeks. Now I know and check cap and air cooler. Thank you

[@ceezauto213]

Thanks for the video. I have the same code on my 2004 Honda Accord 2.4L but the Purge Valve Is working fine. What should I do ?

[@markcheech5496]

I have a 2010 Cadillac STS I replaced the purge valves and I am still getting a P0496 code I also replaced the gas cap still have the code any help would be appreciated. Can’t seem to get this car through inspection because of this problem

[@marylee2252]

I am impressed with the knowledge you guys have about vehicles and how to fix it. Are you guys in. Lakeland FL.

[@pono321]

He doesn’t want to say...owell

[@renegade1520]

Very helpful video. Thanks

[@mcphersonpaul7287]

2008 Saturn Outlook - had the p0496 code, changed evap canister, 2 weeks later code came back. Also, when i open gas tank with car running, the engine immediately starts idling rough. any ideas?

[@orlandoparra1024]

You guys are the best!!

[@googleplusisdead]

Thanks. Only suggestion would be to comment on just how these connections are fastened. Hoses in this case apparently have just barbs holding them(?), and electrical; has a tab to press to take it out? RichE San Diego, CA

[@andrewbartell8962]

I found the problem with cadillacs- too many sensors and engineers with no common sense

[@otutu2000]

can you do a video on how to test to see if it is working properly using a scan tool?

[@1AAuto]

+otutu2000 We do not have a video for this repair right now, but we'll keep this request in mind for a future video! 1aau.to/m/Shop-1AAuto-c

[@watuzi]

Very informative video. Could I have an evap condition if whenever I get gas, the gas pump/nozzle clicks or turns off all the time? I have to click it back on several times, which can get pretty annoying to say the least.

[@1AAuto]

+Edmund Mendez We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1AAuto.com

[@Toyotaguy999]

Sounds like your vent valve is stuck closed.

[@rogerrivera4012]

Great job guys.

[@1AAuto]

+Roger Rivera Thanks for checking us out! 1AAuto.com

[@Edel99]

Is it necessary to clear the code (I can with the scanner) but should the check engine light come off after driving it a bit?

[@3500savoy]

It comes off by itself by driving

[@kmart014]

Will this cause the catalyst monitors to not be ready at smog check ?

[@dianaivery74]

Thank uso much for the upload

[@sabahjason1]

Hi , I have 2018 Chevy trevierse code p0496 , I just changed the purge valve and the code won’t get deleted it’s says permanent . Note 1 : I tested the old one it was stuck open and I tested the new one and it’s functional. Note 2 : there is no gas cap in my car model .

[@RatsKingdom]

So I have a 2019 GMC Acadia SLT.. and the purge valve was not closed completely and letting air through so I replaced it but the engine light is still coming on

[@karenkoenig9829]

Just how many sensors does this vehicle have? Been told 2, today I was told there are 4 sensors related to this P0496 code... I had to replace fuse, nbd, to be able to get code off vehicle...who knew this vehicle has not 1 BUT 3 fuse boxes.... Need vehicle fixed, but I do not want to hosed by a main garage chain. TIA.....

[@karenkoenig9829]

MAJOR QUESTION..... IF I understand what this evap system setup...COULD this cause an engine fire if there was a mistake, it was repaired in a Jeep....different vehicle, not mine.... I'm being told no....🤔🤔🤔 Having it done at the place I bought my car from.....btw...

[@kbmambathegreat6981]

I found the leaks after a full diagnostics and Had it fixed. I changed my purge valve, charcoal canister OEM and a EVAP vacuum hose by the canister. my light turned back on for high purge flow (P0496). how do I get rid of that code. The gas cap looks good. No tears or anything. Idk what to do at this point. I only use 93 premium gas. Please I really need help 🙏🏼🙏🏼 I have benz c350 2010 70k miles.

[@RVLPHIEBOI]

I have a 07’ Suburban in that is giving me an evap leak code. I just recently replaced the charcoal canister and the vent solenoid. After replacement, I decided to go ahead and change the purge solenoid and found charcoal in the lines that lead to the purge valve and the valve itself. After replacing it, I now get a purge high flow code (assuming the existing charcoal in the lines I can’t get out are clogging the purge valve) I assume my next step would be to drop the tank and clear the remaining of the lines.

[@thecarfixchannel3046]

Good video, but the gas cap does not need to be checked for this code or any other EVAP system DTC specially P0442, P0445 before the system is tested for leaks with a smoke machine because if a loose or an intermittent gas cap seal that's not sealing correctly due to a bad seal or rusted fill neck tube to gas cap sealing area are the sources of the leak the smoke test or leak test will not find any leaks in the system and the next time the gas cap seal fails the code will rest one more time.

[@56josecortes]

hello good morning I have a 2014 jeep cherokee and when I open the hood I heard a knock and it is that valve that grabs that noise before it did not and I do not know if it is normal

[@jesusparra2507]

Thanku God bless you

[@fenanplazsemere4577]

Good job bro,thank you

[@1AAuto]

+Solomon Mengisteab Thanks for checking us out!

[@andrewbartell8962]

Replaced Both PCV valves, purge valve and gas cap but code P0496 will still come on. Can anyone help???

[@1AAuto]

+Andrew Bartell We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c

[@whip689]

Replaced the valve and engine light is back on. Is it the cannisters?

[@glendecuir6317]

Thank you

[@1AAuto]

+glen Decuir Thanks for checking us out!

[@517ray]

So to test the part, when the car is running. If it's not sucking air then it needs to be replaced?

[@famousps1]

If the part is sucking air and it’s been disconnected that indicates it’s not working and you need to replace it since the part is disconnected it should block any air from going in

[@kenworthcustomlogisticstru8096]

I have a 2005 Chevrolet Silverado 1500 crew cab with two EVAP system codes like p0442 and p0449 and i don't what it for.

[@glenadams69]

I replaced the purge valve but iam still getting the same code

[@bigdawgshowtochannel8983]

What if it's stuck closed the car would have a issue fueling and/or issues starting after fuel up

[@karenkoenig9829]

2013 Cadillac srx exhaust issue(flex pipe)....sounded like a helicopter, then....p0496 code.. . Being told 2 separate issues, coinkident that code came 2 weeks after exhaust issue. Want 2 fix code issues first as vehicle has a vaccum issue...hwy driving is out as idiot lite blinked for about a mile....steady since, doing side roads... $600 for exhaust, $200 for p0496 fix. What do I do....owe more than vehicle is worth....

[@AndyRussell-b1b]

What if it's a no cap such as modern Fords?

[@jacobstickles1812]

How do I reset the code for my 04 escalade. Had the same code replaced part but still check engine light.

[@1AAuto]

+Jacob Stickles You should be able to reset the code using an OBD-2 scanner.

[@saurabhchauhan8528]

Nice

[@jayebee9422]

Would be the reason it will shut off while driving or drive it for a while turn it off and it won't start until u let it sit for a bit

[@terrygonzalez1550]

How do you reset the code? I forgot to ask?

[@lawrencegarcia5205]

You could just disconnect the battery for a period of time then reconnect it then drive it and see if that was the problem

[@salvadorgutierrezr5914]

👍👍👍👍👍👍👍👍👍👍👍and thanks for the video👍👍👍👍👍👍

[@1AAuto]

+Salvador Gutierrezr Thanks for checking us out! 1AAuto.com

[@samuelanderson1415]

I have a 2003 Lincoln town car with code p456

[@semihyilmaz4699]

What is this defective part called?

[@user-ep6wd7ip7v]

Keep running the vehicle won’t hurt it lol

[@joerahman1]

Is it the same as a P0444 code?

[@1AAuto]

+joerahman1 Thanks for checking us out. Both codes will have to do with the EVAP system but will have different reasons to be triggered. They are not the same code.

[@joerahman1]

1A Auto Parts thanks for the reply, keep up the good work 😊👍

[@Sapphic288]

Replaced everything it could possibly be. Still has the code. And can’t get the yearly emissions test done. I hate Texas bruh.

[@markcheech5496]

After reading the comments on this guys video I see that he wants you to subscribe to his channel why would I subscribe if he doesn’t reply to your comment no thank you

[@thuff86]

Didn't solve my issues.

[@coachgtigers]

I’m going pppopp

[@BIKEMAN21]

noticing a trend here ... all the broken vehicles are almost always GM