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I have a 99 jackaroo 3.5 V6 160,000 klms and getting a fuel smell whilst driving, can,t find any leaks, but I am wondering about this canister which has two, must be vacuum hoses coming out, does this contain a carbon like substance, is it to contain fuel vapours? I need to shed some light on this problem.......

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Jeffrey Turcotte

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Yes, the charcoal canister stores fuel vapors from the tank until you drive on the open road. Then the computer opens the purge valve to allow the vapors to be sucked into the engine to burn.

Posted on Dec 20, 2017


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SOURCE: 2000 Honda Odyssey Fuel Vapour Canister location

It is located at the top of the gas tank. You are going to have to drop the tank in order to check it, so it is best to do this when there is not a lot of gas in the tank. Hope this helps you out.

Posted on Aug 21, 2009


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My 99 mountaineer is unstable and smells like gas

First, is this a 4.0L or 5.0L engine? Without a description as to what is meant by "unstable" it is impossible to address. However, as to the "gas" smell there is a couple things that come to mind. I am assuming that you mean a raw gasoline smell and not an exhaust gas smell. If you mean an exhaust gas smell and it is a 5.0L engine you could very well have a cracked exhaust manifold and that most likely on the right side of the engine. If you have a gasoline smell then consider these things. First, if memory serves me correctly (but it's been nearly 20 years ago) I seem to remember a recall on Mountaineers and Explorers of those years for the concern you have. I think the recall had to do with replacing the fuel tank filler neck. But we need to know more details. Is the smell noticed from the inside of the vehicle or from the outside? Is the smell more from the front or the rear of the vehicle? Does it occur more when the tank has been filled? Does it occur more on hot days. Are you "topping-off" the tank when you fill? Is the "check engine" light on. If so what are the DTC's stored in the PCM? First step is to have the entire fuel system inspected for leaks or damaged lines. This includes the fill tube and seals to the tank, the tank itself, the fuel lines to and from the tank, the fuel rail at the engine and its associated fuel injectors, all the evaporative emission lines that lead to the carbon canister. If all that looks good then consider these things. If the fuel tank is "topped-off" when filling the tank this can cause a condition where raw fuel can be forced through the evaporative emission lines into the carbon canister. The carbon canister's purpose is to trap excessive fuel vapor due to thermal expansion of the fuel. The canister should be located in one of the inner front fenders. I think on the left side. These carbon canisters over time can become saturated with fuel vapor and need replacement. I recommend not topping-off the tank when filling. Especially on hot days. When fuel is pumped from the tank in the ground at the gas station the fuel is cold. But when it is pumped into the tank it begins to heat-up causing a great deal of thermal expansion and as a result vaporization. This is where the carbon canister comes in to trap those vapors and stored to be burned later when the vehicle is driven. If the smell is from the rear area from the outside of the vehicle then carefully inspect the fuel fill tube to the tank. If the smell is mostly from the outside and mostly by the front of the vehicle and no raw fuel leaks are present then it is most certainly from the carbon canister. Over time I have learned that the fuel odor emitted from a saturated carbon canister has a unique smell that is somewhat different from a raw fuel smell. If the smell is noticed inside the vehicle then careful inspection of the fuel system under the hood needs to be done. If nothing is found I would suspect the carbon canister. However, all these things I mention can cause a fuel smell both inside and outside the vehicle depending on the ambient conditions and the degree to which the smell is being generated. As an ASE and Ford certified driveability technician for many years I realize the fuel smell concern on Explorer and Mountaineer vehicles of your year can be a difficult concern to diagnose and pinpoint. As such this type of concern is best addressed by an experienced technician. So if no glaring fuel leaks are found I would suspect the evaporative emissions system and a saturated carbon canister. If the system is still working properly and if you don't overfill the tank the problem may correct itself in time as the carbon canister is purged of the excessive fuel vapor it has accumulated. But on the bright side it will keep you from smoking while you drive :)

Oct 07, 2018 | Cars & Trucks

1 Answer

Fuel line diagram

Check carcoal canister and also look for fuel leaks.

Aug 30, 2014 | Cars & Trucks

1 Answer

Evap emmission,control sys leak

Do not top off your gas tank. The gas is going into carbon canister which is only for fuel vapors to go into (carbon canister opening near the top of fuel neck near the gas cap). Your flooding the fuel vapor canister with liquid fuel; of course you are going to get a sensor message... 'Evap emmission,control sys leak

P0443 The fuel vapor canister reduces that gas smell on hot days outside/inside of car. The fuel vapor canister fillers bad smells from gas tank on hot days when the gas expands and burps fumes through carbon canister filter. From the canister (gas vapor fumes) goes back into the engine to be burned's a closed loop for vapors to be recycled though engine. Don't worry, once the carbon canister dries out and no longer flooded with raw fuel the code should go away...just don't let the top off fuel tank back flow into the 'Evap emission control' carbon filter near the top and close to the gas cap...:)

Apr 20, 2014 | 2000 Ford Mustang

1 Answer

Strong raw fuell smell inside the car intermitantly

Usually, what you smell inside the car is coming thru the vent from the engine compartment.
So it could be a leak around the engine or the vapor canister. Its possible the canister gets overloaded from time to time when the computer vents the gas tank to the canister. A very small leak can be a very strong smell inside the car.

Apr 29, 2013 | 2005 Dodge Neon

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

99 chrysler 300 m po455 smells like fuel when first starting up and at idle for extended periods run great

Hi there,

Code P0455 denotes "Evaporative Emmission Control System Malfunction".

The Evap system relates to petrol vapours which are recirculated and any excess fumes are absorbed by a little canister in the engine bay (look for rubber hoses going to a metal canistor).

This code generally triggers when it has detected a leak somewhere in the Evap system.

This could be anything ranging from petrol vapour leaking from the fuel cap (check for loose or incorrect fuel tank cap); faulty purge solenoid; charcoal canister is blocked/not working or a leaking hose etc.

You will need to check the entire system for a vapour leak somewhere, as leaking fuel vapour can be dangerous. Check the security of all rubber hoses.

Good luck.......

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Jun 05, 2011 | Chrysler 300M Cars & Trucks

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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.

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1 Answer

2000 alero smells like gasoline in the cab at start up


Feb 04, 2011 | 1999 Oldsmobile Alero

1 Answer

I have a 1991 niss 300zx non-turbo and it smells like gas when im driving

You may have either a gas leak or the evaporative canister on the emission control system is saturated. The canister cannot be dried out and must be replaced. This is part of the system to reduce toxic emissions and although may not be important, it is part of the road rules to maintain. You can purchase a replacement canister and fit it yourself. If this is a leak, then the only way to trace it is to run the car until hot with the bonnet up or clamp off the pressure regulator and run the fuel pump whilst examining the fuel lines for signs of wetness and gas smell.

Dec 05, 2009 | 1985 Nissan 300ZX

1 Answer

When I drive my 99 prizm, I smell gas from time to

Check your fuel tank and see if you have a leak. If not leak check under the car, and on the fuel rail. Mike. Rate 100% please.

Sep 22, 2009 | 1999 Toyota Camry

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