Question about 1991 Lexus LS 400

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Gas smell in trunk and passenger compartment. Where is charcoal canister on gas tank in trunk.

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Under the hood, front of car.

Posted on Jul 22, 2010

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2002 ford taurus smell gas when the outside temperature is over 80 degrees


Fuel tanks have a vent tube and a charcoal cannister to capture the gas fumes from the tank. It's possible there is a cracked or loose hose, faulty fuel cap, bad canister or a fuel leak and any one of many connections. Investigate for sign of raw fuel along the underside of te vehicle, and in the engine compartment. Attempt to follow the smell to isolate the location of a leak.

Apr 05, 2013 | 2002 Ford Taurus

1 Answer

I have a fuel smell and I have cleaned the throttle body replaced the gas cap code kept showing P0449 don't know what to do. Friend said to replace the canister purge valve is that right


Smells Like Change Symptom: Gas Fumes Change When: Driving Change Where: Passenger Compartment Change -->lg-bl.jpg lg-br.jpg
Priority Action Part Type Cause 1 Inspect Fuel Line Assembly Loose or Damaged Fuel Line or Connector. 2 Inspect Fuel Filter Leaking Fuel Filter. 3 Inspect Fuel Tank PUNCTURED or Damaged Fuel Tank. 4 Inspect Canister Purge Valve Faulty Canister Purge Valve is Leaking. 5 Inspect Carburetor Dirty and Improperly FunctioningCarburetor. 6 Inspect Fuel Injector Dirty or Worn Fuel Injectors.

Jan 08, 2013 | Cars & Trucks

1 Answer

1998 Honda Civic EX Evap canister or charcoal canister location please I put new Honda gas cap on about 1 month ago light is still on


You are sure that the CEL you have is for evap yes? The charcoal canister should actually be located under the hood of the car if I remember properly. If not it should be near the gas tank, possibliy in the trunk to the side of the carpeting. Remember after you service the car to clear the CEL.

Dec 31, 2012 | Cars & Trucks

1 Answer

Gas smell and burning smell from honda 1997


Could be two different problems.
If the check engine light is not on, I would look at the vapor canister for the gas tank. Its usually mounted in the engine compartment.
If you have a small oil leak, the fumes will be sucked into the passenger compartment thru the cowl vents.

Aug 25, 2012 | 1997 Honda Accord

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

1 Answer

After driving home from work (about 40 miles) I pull the vehicle in the garage and the gas smell is really heavy. It does not leak out on the floor but smells like when you spill gas when filling your...


your truck is equipped with a purge system, this system vents the fuel tank into a charcoal canister that holds all the vapors from the fuel tank and then wile driving the canister dumps those vapors into the engine so they can be burned, so with all that said you either have a leak in the hose that is going from the tank to the canister or in the canister itself.

Mar 08, 2011 | 2002 Chevrolet Blazer

3 Answers

2000 ford windstar gas smell on the inside only no gas leaks already changed the fuel filter the pcv valve is fine as well .where is the smell coming from? and why is it only on the inside and u can't...


Check and see if you have any gas on the ground after you park your car. Check around the gas tank and gas cap. It's possible that the fuel pump (which is in the gas tank) has hoses that may be leaking. If this is a slight leak, it might only manifest itself via a gas odor into the trunk or passenger compartment. It might be a good idea to put the car on a hoist and follow the fuel lines from the engine to the fuel tank. There should a one line that takes the fuel from the fuel tank to the engine and another that brings back the excess. There should also be another line coming out of the fuel tank that is for venting. Unfortunately, the fuel pump and hose connections are not easily accessible and require either removing the gas tank or cutting a hole in the trunk to access it. You should definitely take care of this soon as leaks don't get better, only worse and it is a potential fire hazard. Good luck!

Mar 11, 2010 | 1998 Ford Windstar

1 Answer

My engine light keeps coming on. I have tighten the petrol cap and it has gone off. But when i re-pump gas it start to come again. why is this?


There is a system called "Evaporative Emmison Control" to control the evaporating fuel from the tank, it has a charcoal canister which is located in the engine compartment. You may need to have this checked and cleaned. You may smell gas if this is faulty,
Or it may just be the petrol tank cap.

Jan 05, 2010 | 2005 Toyota Corolla

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

1 Answer

Have an intermitent gasoline odor smell entering the passenger compartment of my 1996 Toyota Avalon. It is noticable in the engine compartment and seems to enter the interior through the vents. Have had...


is your check engine light on? if so have the codes pulled I would be willing to bet that your evaporative emissions system is leaking (the newer fuel tank vent system used in many OBDII controled cars built since 1996

Jul 07, 2009 | 1996 Toyota Avalon

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