Gas Pump Keeps Stopping When You Fill Up? Diagnosing Fuel Tank and EVAP Blockages!
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- เผยแพร่เมื่อ 20 ส.ค. 2024
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Does the gas pump keep stopping over and over while you're trying to fill up? You know it's not full, so what else could it be? In this video, Andy diagnoses this very problem, and explains how the charcoal filter canister that is part of your car or truck's EVAP system could actually be responsible. Since the fuel tank is a sealed container, when you add more gas, air is pushed out. If the air has nowhere to go, the increase in pressure triggers the safety stop on the fuel pump! Watch this video to see Andy demonstrate how a blocked charcoal canister can cause this problem!
For more great diagnostic videos, check out this playlist:
• Driveway Diagnostics!
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WHAT IS THE PART CALLED??
I’ve replaced the valve, and the canister. It’s still not filling properly. Please advise.
When ever I gas my van up, the fuel starts coming out of a pipe attached to the main fuel pipe that right under the body and tank. It branches out and I guess its a run off valve so when you've put too much fuel it comes out there. I guess. What's the problem?
Also I've needed to replace my blower motor on my van, but I'm not getting the new part in bc it's a very tight squeeze bc if the black metal tube that starts in the side and runs over the battery. I hit the old part out bc I bent the housing fire the old blower but obviously I can't do that to the new part. Any tips?
It's a 2004 Ford Econoline Van 150 5.3L V 8. Just to let you know just in case.
THIS IS MY TRUCK!! I bought this off you guys and it still has a check engine light on for my evap system
Navy mechanic here. It's rare for it to actually be the charcoal cannister, usually it's the vent line needing blowing out. But when it is actually the charcoal cannister as the problem...it's because you keep clicking the gas at the end trying to get every drop you can in the vehicle! That causes fuel to reach the vent line and trickle back into the charcoal cannister and stop it up over time. When you're fueling up, stop continuously clicking the fuel trying to get every drop possible! Maybe do it a couple times and stop, and you'll never have charcoal cannister problems.
Wonder how many could read this comment. Thanks
Crayon eating Marine here: What if outside temp is a factor. Cold days nogo
Warm days all good
Words to live by.
@@ghostmost2614 living in northern canada this is my problem also! If I thaw out in the shop overnight I can fill again the next day.
God I love you guys! Thanks so much Andy, I have a small (MOM & POP) car lot and have to do 99% of repairs myself as well as be the salesman. Your videos has helped / saved me so many times as well as saved time and money. I have become a 1A auto customer, most my local parts store no longer deliver nor do they seem to carry many parts. they tell me they can order parts needed, so I came to realize that I can order parts ( FROM 1A AUTO ) )as easy as they can for a much cheaper price from 1A. THANK YOU AGAIN AND I REALY APPERICATE THE HOW TO VIDEOS
Gas prices have prevented me from filling up my tank.
Don’t drive a big old V-8 then🤷🏼♂️
@@daveerrington5166 i drive a v6... and this also effects me, i got friends that drive 4cyl economy cars that cant afford to fill an 11 gallon tank
Think I burnt my fuel pump cause gas to much to fill up
😂😂🤣😀💯✌🏽.
REAL" TALK 💯✌🏽
Let’s go Brandon!!!
May I ask how much the average cost is for this kind of repair at a auto shop? Thank you for the very well detailed video.
I had this issue with my 2017 Silverado recently. Thanks for the informative video.
Nice video. This was by far the clearest explanation of the evap system that I've come across. Thank you.
Excellent detailed show and tell! Thank you. Will be using it as a guide for my truck's gas filling issue.
I was having this problem for months in my 2019 ram classic it was frustrating took like 15 minutes just to fill up and after checking the lines the vapor canister turned out it was the hole gas tank needed to be changed got it done finally all good now I can put gas in like normal again
How much did that cost? I have a RAM that's having the same issue.
If you don’t mind how much the cost, we have the same issue in our ram truck , we went to our dealership for diagnostic they told us needed a replacement and cost $2000 our vehicle only 3 yrs old and brand new
Did mean the complete whole gas tank or a particular hole on the gas tank. If you mean complete whole gas tank depending which vehicle it is the replacement can be a pretty easy task. In some cases it could just be a bad fuel pump or perhaps check electrical. Check fuses or lines.
Watched this video and one thing not mentioned is that this is and remains a common issue for Chevy trucks which is what he's working on. Another design flaw by Chevy was and is the short run of the filler tube and the bend in it. I've seen brand new Chevy trucks do this and obviously there was no blockage in the canister.
2017 chevy Colorado ZR2 owner here. I have the same problem! More GM junk. My last Chevy for sure.
Very well presented video of a common problem in a wide range of vehicles. I also have that problem with an Avalanche and a Hummer H2 including the check engine (MIL) light and a P4520 error code (Evap Code).
Thank you so much for this excellent video.i have the same issue happening so I filled up gas container and then i poured the gas into the car.
I can just imagine crawling under my 05 mustang to replace this canister 🤣. It won’t fill easily but I’ll live with it. It’s just a slow process.
My 2005 Ford Mustang has always kicked out the pump and I have had to trickle gas into it, since I bought it when it was only 4 years old with 36,000 original miles.
this is happening to my 2019 mustang, it stops so many times but it fixes after I take the hose out and put it in again
Roommate had a car with this problem and we just lived with it ... It's a pricey repair from what I understand. So annoying though.
My 2005 Ford Mustang has always kicked out the pump and I have had to trickle gas into it, since I bought it when it was only 4 years old with 36,000 original miles.
Love the video!!! Perfect presentation and made swapping my 2005 Sierra parts as easy as it gets. Keep up the great work.
Thanks for the video. I have this problem with my 05 murano
Thank you for sharing by the way thats a lot of rust under that truck
This was a very good video!
this happened to my avalanche a few years ago. When I couldnt put any gas in it, the first thing i did was take the hose loose at the purge solenoid at the intake and it was full of little charcoal pellets, so i knew exactly what the problem was. I fixed my a little different than you did. I took my old charcoal canister out, cut an access hole with my dremel, emptied the canister, taped it up with flex tape, and put it back on. Now i can go fill up as fast as NASCAR.
Before you did any of that, did your avalanche run rough ?
cant you just connect the hose from the gas tank straight to the hose going to the engine? That will allow the engine to still burn the fuel vapors without all the unnecessary charcoal canisters and solenoids.
Good day Timmy Timmy So did that work. Pellets were do u buy them from Thanks
Will you pass an inspection?
@@graciegjj where in the world is your vehicle being inspected..??
Thanks for the video. My sons truck is having the same issue. Btw. You look like John Malkovich.
Great video and very detailed. Appreciate the time and effort in this. Q: Is the design concept the same in every vehicle? I have an 07 Mercedes’ S550 and this issue is annoying as f*•! when trying to pump gas every time lol excuse the language. Your wisdom is greatly appreciated.
Definitely have to give some of these a try. I have a problem with my 06 Liberty
Thank you for your time and effort you put into making this video.
Thanks for the video. Good to know for future reference
Thank you so much for this information, it is definitely some useful information when diagnosing.
I had a half tank gas when I decided to top off prior to entering the Gettysburg battle field for a tour. I only Got about a dollars gas in when the nozzle started shutting off and spilling out gas. I couldn’t get any more gas in. (2019 Jeep Cherokee). Called a Jeep dealership and they recommended bring in the car. Decided Toft to our destination and see what goes. Tank should 3 quarters empty when I pulled into a gas station. Holding my breath, I had no problem topping off the tank. Car ran fine rest of trip. Gonna try again when at half a tank just to see what happens before i take to the shop. 🤞🤞🤞
Seems easy enough to take a look at myself but I was wondering if this would be something I could do at home (without any kind of lifting of my truck)?
I yelled when you put the rusty heat shield back 😂, but I mean, it's lasted this long, must still be good
Great video with fantastic explanation, I have the same issue and it takes forever to fill the tank on a 2007 Sante Fe. I also have to find a pump that will even allow me to get it slow enough to fill without the gas pump chattering, since the gas flowing from the gas pump is so slow the gas pump stops and will not to function.
I don't know if that's the problem but you gave me a few ideas I'm having a similar problem on my 5 series BMW
Very well detailed video thanks for your high quality tutorials I’m constantly learning with you guys
Should the breather tube have gas in it?
Let me know if this is correct:
At 8:11 you used an air hose to pressurize the evap charcoal canister. It was plugged and the pressure remained in the evap charcoal canister. I am guessing that the fuel gasses from the tank will get stuck in the charcoal canister and the air pressure will exit out the normally open vent. You are right, a balloon on the outlet vent would have been a great idea.
So assuming from the last three videos of yours I viewed on this subject, (car sitting and not running) I am fairly sure that the fuel vapor from the tank exits into the charcoal canister, the fuel vapors get trapped in the charcoal canister while pure fresh clean air (no gas smell) from the pressure in the tank makes it through the charcoal canister (valve open) and exits the tank through the vent valve, causing no pressure to build up in the tank. The fuel vapors are left behind in the charcoal canister.
On the other hand, when the engine is running, the purge valve opens, the vent valve closes, and the resulting low pressure in the charcoal canister releases the fuel gasses trapped in the charcoal into the engine intake manifold. --Zero net loss of gas vapor related to evaporation. No stinky gas smell from cars when wandering through a parking lot.
When you overfill the tank raw gas gets into the charcoal canister and ruins it. This would be the stinky car.
What if it only happens at a certain gas station?
Good question. Had it happen once last year and now today at same station. Hate to spend money on service if this is just random. Wonder if desert heat is playing a part.
That's why I'm here, did you ever figure it out, besides just avoiding that station?
I found that my truck only takes gas at certain gas stations, i feel like some gas pumps have to much pressure an some pump smoother
My car that problem lol
I'm no mechanic
But I'll try it in the spring 2022
I'm having this problem with my 1997 F 250 with duel tanks , didn't have this problem till after a shop replaced the fuel pump. Note: I only use the front tank.
I had this problem for only a couple of days in my 2007 Dodge Ram 1500. I was driving cross country so I didn't want to deal with it at the time. I filled up a little bit at a time. After a couple of days it resolved itself and has been fine for the past three years. In retrospect I suspect I might have topped off the gas as much as possible when I had a cheap price on gas.
Alright, I have deleted the charcoal canister (temporarily as a diagnostic), I have installed two completely new vents on the top of the tank (they should move way more air than the OEM vent line), I have replaced the solenoid and also the purge valve. It still won't fill at the station without either clicking off or pouring out the top of the spout. If I fill it slow, I can fill the tank, it just takes a really long time. 2008 Chevy Uplander 3.3
Question, before I remove that charcoal filter do I need to take all of the gas out of the tank? And if so how do I go about doing this?
awesome! Thank you for sharing this video
We change the charcoal canister and the solenoid. Gas still will not pump without clicking off any other ideas what it could possibly be?
What about gas spewing out at the end of the fill up? Pump does not automatically shut off on its own.
Wow look at all of that rest rust under the truck.
Thanks!!
I was hoping for something simple and inexpensive.
This is neither
Look how rusty and crusty the metal is, but the plastic is in great shape.
I have a Chevy Suburban 2013 1500 LT and I'm facing the same issue. Changed both the canister (OEM Part# 22963841) and the canister vent (OEM Part# 23481275) and still the issue is not resolved. I filled 80 liters yesterday in 27 min 😥.
Any idea what else can be done to fix the issue
Lmk please
I've never come across a failed canister but those vent solenoid valves off the canister have at some point given me an issue in the life of some of my vehicles ( mostly Honda's)..
I’m having this problem now. Just had the charcoal canister fix- $335 and still having trouble getting gas in!!!!!
+@sylviamcdade9098 We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
My ram keeps stopping at the pumps too when I fill it up every 5-7$ just stops an bugs me.
I have a 2005 Silverado 2500 hd 6.0 I've removed the canister and the vapor line from the tank to the canister and it still won't accept the gas. then with all that disconnected I blew air into the tank at the fill up end and it blew the air back out at me then I tried the vent neck and had the same affect. i used my camera and nothing is stuck in the filler neck.
Very informative
Yes! I had this issue with a Audi Q5 I had borrowed from the dealership. The tank had less than a quarter in it and I couldn’t fill it at all. Kept doing the auto shutoff at the pump.
Thanks for sharing 🤙🏾👍🏾
Great information video 👍
Im having the same problem on my 2018 ram 1500
good stuff, you guys. I'm having this issue with my '14 Silverado as well. but a friendly question to narrow down my issue. when I turn my truck on, it doesn't crank immediately as it maybe should. and when I turn it off, it shakes a little time to time. could these things be because of a fuel blockage? I have changed my fuel pump, but these issues were before even that. I purchased it recently at a used car dealership. I've used the scanner and do have a code for a fuel/oxygen sensor. 🆘
Could be your evap purge valve. Usually under the hood on back top of engines. Not sure if its Left or right side.
I get that problem at Costco gas pumps only
Thank you for your helped a lot
This still happens, even after I bought a new vent valve, purge solenoid and vapor canister and fuel cap. I also blew out all evap hoses with compressed air.
I STILL can't put gas in the tank. 2002 suburban. PLEASE HELP!
I had this problem on a 2003 Chevy Impala. When I turned the engine off when filling the tank the pump kept shutting off. I then turned the engine on to fill the tank, and the problem was gone. It was the vent solonoid. When the engine was off the solonoid was stuck closed so the fumes in the tank were unable to travel to the canister. When you fill the tank you create vapor. When the engine is on, the solonoid opened and the fumes were able to travel to the canister.
Great info.
Great Content..
When I search for charcoal/EVAP canister /filter I’m getting no hits to price or order said part. What words do I use to find the part for my dodge ram?
Great informative video,sir. I have a good 2003 Dakota , 4.7 4wd,lottsa miles...Gas pump keeps shutting off and i need to sneak in the fuel gently. I have po440 and po443...Got a new purge valve on a whim and then it threw the 443...Need to get it inspected.......Charcoal canister bad ? LDVP stuck? New gas cap didn't help.....Pllease assist if you will.. Best of regards, Rob in Albany,NY...cheers
Might this affect a diesel. My friend has a vauxhall meriva diesel that has the aame problem
Warm days fills fine
Cold days blockage
???
what about for f250 2000 diessel thanks
I’m about to look under mine now
Why not run the vent hose to the front and add a filter?
Actually it's very common for Chevrolet truck..... charcoal canister brakes inside filling the vent hose with charcoal
Hi, thanks for the video.
Does it make any difference with drive or consuming more fuel?
cant you just connect the hose from the gas tank straight to the hose going to the engine? That will allow the engine to still burn the fuel vapors without all the unnecessary charcoal canisters and solenoids.
That sounds logical, but I often wonder if all these systems don’t cause our vehicles to get worse fuel economy.
Thanks 👍
Im having issues as well while fueling but mine is spilling out the vent solenoid and it recently started to over flow out the filler tube. I replaced the vent solenoid, charcoal canister, blew out the lines but I'm still having fueling issues. When I replaced the canister it fueled normal for about three fill ups and then started having issues again. I noticed fuel was going into the charcoal canister and also sending it to the purge valve which I also replaced on the engine side which was causing it to run rough and throw a P0300 code. I cleaned out the canister removed al the fuel inside and blew out the lines andit did help it for about a day with the running rough issue but it seems like it starting to push fuel again to the purge valve and causing it to run rough again. This is on a 2007 Silverado 1500 classic. Any suggestion on what I should do next or what it could be?
have a 07 yukon denali with the same problem ive replaced every part even cleared some lines and still can barely pump a gallon of gas before filler neck fills up and wont let me pump gas
@@gabanna9735 did you ever find a fix? My 07 is doing the same thing. I replaced purge solenoid canister and vent valve. And when getting gas it keeps popping every few gallons. Takes forever to get gas.
If you are saying that the pump keeps popping which prevents you from pumping gas in your vehicle. You might want to do a babysitter fill. It when you keep the pumps nose slightly lifted while pumping. This isn't actually a fix, but it does allow you to put fuel in your tank. Becareful not to over fill and it is even better if you know how many gallons your tank is. Good luck!
@@fierceeagle2003 did you ever figure out
i have a 1985 that does this do you think it could be that
I have this issue on a 2012 Chevy Silverado LT 1500 Z71. ok that being said...I replaced the EVAP canister, Purge Solenoid, and Purge Valve and still have this issue. HELP!
Having error code P0441. When taking off the gas cap to fill tank there is pressure it vents. Also when filling it kicks off the pump frequently. This is probably my problem as well?
Thanks will do!!!
Hi how are ..iam s good fan of you lam from iraq..i like your videos .. they're really beneficial..i need your help if you could dhow me how to fix ssme problom of canister and vapor in malibu LT 2019..
Thanks from
Thats been happening to me lately got a chevy tahoe
I did this same job on our 2002 Suburban. It solved the same issue for about 6 months. Now I can't fill it up with gas again.
New : purge solenoid, vent valve, charcoal canister, and gas tank cap.
Any suggestions?
Got this issue with my 2011 ranger its annoying trying to fill it up. Maybe this is what's going on, I don't know
Thank you 👋
Very informative video
Liked the video. Have a 2006 suburban. Its spraying gas out of the filler tube, while filling. As far as i know its not hard to fill, shutting off the pump. Would it likely be the same thing that you cover in the video, the charcol canister?
EVAP system is the worst thing ever! Especially on chevy! The whole thing keeps giving me nightmares!
Having this problem with my 07 Chevy Trailblazer. Is this the same process to fix or try to fix my car???
I changed canister & vent line. Still having the problem
What about diesels ????
If I accidentally leave the car running while I’m pumping gas, will vapors, or gas enter where it’s not supposed to go (please excuse my lack of Terminology for the components of a car)… would that activate the check engine light on?
I had the same problem change to a brand new canister and didn't change anything
I am having this issue with a 2020 Longhorn I just got. Do you think this is something the dealership should fix? Or is this something I should?
How much would this cost for someone like me that has never been under the hood?
Very interesting
Having this issue on my Chevy avalanche 2005 super annoying
what about ford f250 2000 7.3 diesel help please
Ever found the cause ? I have a 1996 f250
Mine does this when car is running and also it will say tighten gas cap when it’s tight
I have 2006 Cadillac Escalade I smell gas around the end from my truck do u know what’s the problem can u help me out thanks. I was think I’d the evp valve I was try to do the easy job first.
Replaced my charcoal canister and it didnt fix my problem.. im assuming the vent hose is clogged
My 2003 Corvette seems to have a very similar issue. I let the fuel level run down and maybe just coincidence I cant get any measurable fuel in. It just comes back out from the filler.