Question about 1998 Lincoln Mark VIII

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Gasoline smell at times the smell of gasoline is very strong while driving.I don't see any gasoline under the car, i onder is it the fuel tank vapor relief valve.how does it get in the cab?

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  • Anonymous Sep 18, 2008

    I had that problem but only when the tank was full to 3/4 full. I found that the hose that runs between the two sides of the tank on top was detiorated away. The gas tank on these cars is like two compartments and the drive shaft runs through the upper part of the tank area. My car is a 97 Mark VIII LSC with 86k miles. Mfd 6/97 

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MINE DID THIS WHEN THE FUEL PUMP STARTED GOING OUT I CHANGE IT AND BAM FIXED THE PROBLEM WHEN THE PUMP SLAKS UP PUMPING THE COMPUTER TELLS IT TO PUMP MORE AND MORE AND WHEN THE PUMP KICKED IN IT WAS TO MUCH GAS AND FUEL ODOR EGULPED THE INTERIOR OF THE CAR HOPE THIS HELPS

Posted on Sep 06, 2008

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Hesitating and knocking after replacing o2 sensor/ STRONG SMELL OF GAS FUMES


Strong smell of gasoline fumes means that there may be other issues involved than the O2 Sensor.
If it is enough of a smell that you believe gasoline is leaking in the engine compartment, I would not drive the car. The catalytic converter goes up to over a thousand degrees under the car after it is stopped. If vapors accumulate in that area. You could have a fire. NOT SAFE !!.
I would have the car towed to the nearest reliable service facility if you suspect a leak.
If you are working on the car yourself. Open the hood, pull the air cleaner and look for leaks in the fuel injection system. Along the fuel rails and where the injectors go into the manifold.
If it is just flooded then that could have something to do with the O2 Sensors. Please, use caution.
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Check that the vapor recovery line is not broken or disconnected. The hose connectors get cracked. If that were broken, it would cause a gasoline smell after the car has been sitting, especially if it has been sitting in the sun, heat driving gasoline vapor out of the tank. It is supposed to condense in the vapor canister, but some escapes if the line is broken. If it is broken, driving would **** out the gasoline from the line and the wind would dissipate the smell.

Or it could be a leaking injector. With the injector cover off, engine idling and cool, you can visually look for raw gas around the injectors and injector rail connections.

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When I go to fill up the gas tank the gas keeps cutting off at the pump handle and I have to slow the gas pump to a trickle in order to fill the tank.


The problem is that your gas tank "pushes back" like it's full even when it isn't and makes the fuel valve click off. Tom and Ray on Car Talk covered this in a 2007 show and I pasted some of their response below:

"RAY: This condition is probably caused by either a blockage in your gasoline vapor recovery lines or a bad refueling control valve.

TOM: Gasoline vaporizes. How do we know that? Well, when gasoline is spilled, you can smell it, right? What you're smelling is vaporized gasoline.

RAY: And in the old days, when you filled up your tank, all the air inside the tank -- the air filled with gasoline vapors -- came whooshing out through the filler hole or through a vent at the top of the gas tank.

TOM: But then people in places like Los Angeles realized they couldn't see the person standing next to them due to smog. And since gasoline vapors contribute to smog, car makers were forced to install devices to capture those vapors.

RAY: So now each car has a vapor recovery unit that collects the gasoline vapors from the tank and then, the next time the car is started, sends them to the engine, where they're combusted. Your vapor recovery system isn't working, Lottie. One possibility is that one of the rubber hoses is blocked or collapsed."

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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)

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do u have a check engine light on? do u overfill the tank? which is to say when the filler nozzle clicks off do u still try to put more fuel in? in any event u most likely have a overloaded carbon canister, pull the canister out and check it for gasoline saturation, the carbon canister is located under the car in a tray near the fuel tank.

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Oh yes there is and there is a charcol canister up under the hood that captures the vapors if the canister is full you could smell fuel.
You will need a shop that has a SMOKE MACHINE to find the leak in the evaporative emissions plumbing from the tank to the engine compartment.

Please give me a fixya! Rating if this information is helpful

www.aceautomotive1.com

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