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How do I pump gas in my car

Put a fuel cut off value a new charcoal canister

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No idea what your asking

Who did what & why

What is the problem now, that the repair
shop hasn't explained to you

Only Fords & Mazda have a fuel shut off switch

Posted on Dec 09, 2014

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6ya6ya
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Posted on Jan 02, 2017

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When I put gas in the tank, the pump cuts off several times like its full which it isn't. Any idea what causes that.


The vent valve is stuck closed or you have a pinched hose . It has to do with the Evaporative emission's system ! There is a charcoal canister under the vehicle that stores gas fumes and a vent valve that allows the air in the tank to escape while fueling the vehicle, an during use fuel expands an the fuel vapors get stored in the charcoal canister an at times the engine control module turns on a purge solenoid that is connected to a engine vacuum supply allowing the fuel vapors to drawn into the engine to be burned ! Fixing Car Where The Gas Pump Keeps Shutting Off As You Try To Refuel

Mar 26, 2015 | 2000 Lincoln Continental

Tip

Stop pumping fuel


Are you bad about trying to pack your fuel tank, if you are your causing more problems for yourself. Here's why the fuel in your tank is only made to go so far, so when you keep pumping, the fuel level gets over the range it should be, so then the overflow of fuel goes threw the charcoal canister that is used for venting your tank, then it brings this charcoal back to your tank. Then it travels threw your fuel pump, your fuel filter and fuel injectors causing clogs and pump to wear out early.So when you get that first click at the gas pump, STOP Don't put anymore fuel in.

on Jan 11, 2010 | Chevrolet Cavalier Cars & Trucks

1 Answer

Hyundai XG350 will not take gas


Sally, the problem is the charcoal vent system. A new one will cost about $150.00 but......... the total fix will require the cleaning of the vent valve on the gas tank. You will find small pieces of the charcoal (pellet size) in the valve. You must look close to see them. Think pencil lead size. Remove them and exercise the valve some. The valve is a push in and out type. I don't understand the reason the charcoal pellets make their way to the vent valve at the tank but they do because I found them in mine. They must travel out of the canister and up and over a dry loop in the vent line to get to the vent valve at the gas tank. This would take some vacuum to cause the pellets to travel. It also requires the poor construction of the factory instaledl canister vent outlet because there is a filter at the canister that is supposed to contain the pellets. This will verify you have gotten all the charcoal pellets out. The charcoal canister (located up under the fender is easy to replace). You can make a cheep fix by installing some scaring pad material in the vent connection line at the canister but that doesn't address the charcoal being plugged. This will keep the charcoal pellets in the canister.
You will have to drop the gas tank partially to remove and clean the vent valve. Keep in mind you are working on a gas system that is very dangerous. i.e. it doesn't like spark's. Only begin this job with a tank that is all but empty.
You can find diagrams of the vent system on the internet. So you can identify the parts I have referred to here.
I have done this work. It is not easy. It is an under the car and also through the car trunk operation. You will have to remove the gas pump via the trunk from the gas tank. Remember about the spark issue when you do this part of the job.
This problem is very common with Hyundai's and several other cars. It is because the manufacture has reduced the gas fill piping to roughly a 3/4" pipe and installed a government requied venting system that you have this problem. You will see that at the tank the opening is as fill lines used to be about 2" and at the gas nozzle area also about 2'" but the rest of the line is no larger in diameter than the gas pump nozzle. That is not to place the blame all on the car manufacture. You see it is always the government that is behind our frustrations in life. The EPA has told the car companies that the gas vapors we used to smell when the car was being fueled are no longer aloud. So the need for the charcoal vent system to capture the vapors of the gas as fueling is being done. Some car people have said that if you never overfill your tank these fueling problems never happen. i.e. the charcoal in the canister never gets wet with liquid gas only vapors. Note the warning stickers and owners manual cautions to stop the filling process when the gas nozzle clicks off the first time. Sally you will know if you have not followed this advise and fueled your car clicking the nozzle several times after the first nozzle stop. That is the way we used to fuel the cars in the good old days. However, I do almost all of the gassing of my car and I had the problem. So I say the car manufacture is responsible for the issue with poor designs in the system.
Lastly I can't stress enough the importance of not doing this job as a back yard mechanic operation because of the volatility of the gas. It can and will blow up if not handled correctly.
Good luck!!!!

Jun 05, 2012 | 2002 Hyundai XG350 L

3 Answers

The gas tank accepts only a gallon or so of gas before clicking off. It takes a very long time to fill the tank.


SOUND LIKE EVAP CONTROL SYSTEM NOT WORKING.COULD HAVE STOPPED UP FUEL SOAK EVAP CHARCOAL CANISTER.OR THE PURGE SOLENOID NOT WORKING ALSO GAS CAP COULD BE FAULTY.HAVE THE EVAP SYSTEM CODE SCANNED.WHEN PUMPING GAS EASE THE GAS SPOUT OUT JUST A LITTLE SO YOU CAN PUMP GAS IN TAKE.REASON CAR WONT ACCEPT GAS BECAUSE EXCESS GAS VAPORS CAUSES PRESSURE TO BUILD UP IN FUEL TANK IN WHICH WILL KEEP GAS FROM BEING PUMPED IN FUEL TANK.

May 03, 2011 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Maybe got fuel lines crossed on sending unit gas comes out of charcoal canister put new fuel pump in tank


Yes it sounds like you have reversed the flow lines. Supply to return and return to supply.

Mar 13, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

1991 cadillac sedan deville has excess pressure in gas tank and stalls making right hand turns as soon as fuel gauge shows 9 gals.


SOUND LIKE FUEL PUMP GOING BAD.BUT CHECK THE EVAP CHARCOAL CANISTER FILTER IF GAS SOAKED REPLACE IT REPLACE GAS CAP MAKE SURE GAS CAP IS THE PRESSURE VACUUM TYPE.ALSO CHECK VACUUM PURGE VALVE VACUUM HOSE TO CARBURETOR AND CHECK VACUUM HOSE TO CHARCOAL CANISTER FOR BLOCKAGE RESTRICTION OR BROKEN AND MISSING.

Oct 31, 2010 | 1991 Cadillac DeVille

2 Answers

Gas pump keeps tripping off often


you have a bad charcoal canister. Go underneath the left rear of the car, pull the big hose off the charcoal canister, and if charcoal come out of the hose, replace the canister. This is a common problem w/Hyundai and Kia.

Oct 14, 2010 | Hyundai Sonata Cars & Trucks

1 Answer

I have a 2002 hyundai accent, i could not pump gas into the tank, i found charcoal pellets in the hose from the evap canister to the tank fill neck. I emptied the hose and i can pump gas. now my car is...


First GUESS.. replace the charcoal canister after you have cleaned out the hoses between it and the canister. Then blow air between the purge control solenoid valve and the fuel tank.

Oct 23, 2009 | 2002 Hyundai Accent

2 Answers

Check valve missing in fuel tank filler neck.


P1444 Purge Flow Sensor Circuit Input Low 0
The evaporative emission control system checks to make sure there are no leaks in the lines that run from the gas tank to the charcoal canister and up to the engine. It also checks to make sure the gas cap is sealing correctly.
When you fill your car with gas, the vapors in the tank get forced into a canister filled with activated charcoal. Also, on a hot day as the gas heats up and vaporizes, those same vapors push into the canister where they're stored. But the charcoal can only hold so much vapor. At some point it has to be emptied. The emptying process is called "canister purge." Here's how it works.
The computer orders a canister purge by powering open a PURGE solenoid. That opens the vacuum line between the canister and the intake manifold. At the same time, it opens a VENT solenoid. That allows fresh air into the canister. So the engine is literally sucking out the gas vapors and purging the canister with fresh air. The computer has to adapt its fuel strategy to take advantage of all the extra gas vapors coming into the engine.
The computer notices the canister is empty when it detects a leaner condition (all the vapors are used up) and it resumes normal fuel delivery. Some car manufacturers then close the VENT solenoid but leave the PURGE solenoid open. That creates a vacuum throughout the entire fuel storage system. Once the correct vacuum is reached, it closed the PURGE solenoid and waits to see if the vacuum holds. If it doesn, the system passes the test. If it detects a leak, it sets a code.
In this code P1444, the computer sees a lower than expected value on the purge flow sensor. bottom line? replace the purge flow sensor.

Sep 03, 2009 | 2006 Chrysler Town & Country

3 Answers

2005 Hyundai Santa Fe won't start after fueling


After change fuel pumps per diagnostics still had problem with starting after fueling. Researched on-line and kept seeing purge control valve as solution. Mechanic didn't think it would do anything but filled up three times now and so far so good. part was $49 and he was nice enough not to charge for labor

Apr 06, 2009 | 2004 Hyundai Santa Fe

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