Question about 2003 Volkswagen GTI

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Had the gas tank replaced and now the engine light is on.

Was told to replace the charcoal canister?

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The fuel system on OBD II cars have a closed system. If any of the vapor lines were left unattached or broken it would cause an engine light. If it was not on before the swap, there is no reason for it to be on now.

Posted on Mar 27, 2014

Testimonial: "How many vapor lines are there? and where are they located?"

  • Vincent Competello
    Vincent Competello Mar 29, 2014

    The EVAP system has many points where there are hoses or connections. The location of the integrity breach is probably associated with the fuel tank and that which was disturbed with its replacement.

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1 Answer

Charcoal canister


What were the codes? Charcoal canister, even filled with gas, won't turn the trac light on. You might want to find a different garage.

Aug 23, 2016 | 2013 Scion xB

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After a full tank of gas car would stall out, after restarting and driving for 2 miles car was hesitant and then would stall out again, I was told it was the catalytic converter and then the o2 sensor and...


50/50...
tries to fill the tank and don't mount filler cap into gas tank. don't leave immediately the gas station but go after 5 minutes and see if the problem appear more than 2 miles.
deactivates the carbon filter before filling the tank completely
If the problem recurs with fuel cap without being mounted, IT IS NOT charcoal filter

Sep 15, 2013 | Pontiac G6 Cars & Trucks

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Can't fill the gas tank, I had the check valve replaced in the gas line and it work once and now it's back to not letting me fill it. I unplugged it but would like it to work. Any ideas what it may be?


fuel vent Charcoal canister will make it difficult to fill the gas, this canister vents the gas tank and if you overfill the tank then it screws up the Charcoal canister and will need to be replaced, I just found an old canister from the used parts place and had my mechanic replace it, went directly to the gas station and presto no more problem filling gas. DO NOT overfill your tank after replacing canister!

Sep 05, 2013 | 1999 Oldsmobile Intrigue

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2000 hyundai elantra evap charcoal canister problems repaired


replace charcoal canister and prob canister close valve as well to be safe.

Dec 19, 2012 | 2000 Hyundai Elantra

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Service engine soon light came on, replaced gas cap it went off but a week later it came back on, when it try to fuel the truck it spill the gas back out like it is a full tank


One of the most common causes, is blockage in the venting system from fuel entering the vent lines and into the charcoal canister, the fuel gets absorbed by the charcoal canister causing it to swell and block vent lines. the gas tank contains both fuel and air. when you fill it up the gas displaces the air and the air has to go somewhere. but the air that is displaced is full of gas vapor so the gas vapor goes to the vent lines and into the charcoal canister, when the charcoal canister swells up it prevents the air from escaping the tank, canister could be clogged,canister filter may need replacement,electrical connection to the close valve may be open,canisterf might be damaged,purge valve from canister might be clogged,vent hoses might be clogged, the vent hose could be clogged, or the vent hose may have a kink. all this is caused by overfilling the gas tank, getting that last drop of gas in the neck of the fill tube.
good luck!

Aug 11, 2011 | 2005 Nissan Titan

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I cant fill my van 2003 sedona with fuel. i think there is something in the tank blocking the air outlet ir its stuck. i need to know how to fix the problem?


Hello! Do you have a Check Engine Light on? The charcoal vapor canister filter needs to be replaced...If the filter inside breaks charcoal particles will end up in the gas tank and foul the fuel pump...The filter cost under $10 the canister is $100

Guru.....saailer

Dec 15, 2010 | 2003 Kia Sedona

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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

Am told I need to replace my charcoal canister for about 500 dollars. Gas tank is hard to fill. Auto nozzles will not stay on when filling. Engine service light is on as well. Was told by dealer that this...


A few things to try...if you are in a self serve state, When filling the tank, insert the nozzle the least that you can, use the slowest dispensing speed possible. As far as the canister, it can become faulty from "topping" the tank off. Fuel gets in the canister. Service engine light is on probably because of the canister fault. But to make sure, have your local auto parts superstore scan for the fault codes...usually free of charge. Hope this was helpful.

Apr 02, 2010 | 2005 Toyota Avalon

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

1 Answer

I overfilled my Jeep Grand Cherokee on my first fill up and now I smell gas every time I fill up. I now stop at the click. I am told it is probably my charcoal filter because I keep smelling gas and the...


The charcoal filter is used to filter fumes from the fuel tank. There is a vent line, that comes from your fuel tank to this filter. (Charcoal canister)

Now since the charcoal filter has been completely soaked with gasoline, it will no longer function as it should. Even with vapors from the fuel tank vent line, the canister only has a working 'life' of so far.
You will smell gasoline in strong amounts until it is replaced.

Can't comment whether it is safe or not. (In my thinking, you are driving around with a charcoal canister, that has a charcoal filter soaked with gasoline. I wouldn't use it this way, but that is just my thoughts)

Sep 12, 2009 | Jeep Grand Cherokee Cars & Trucks

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