GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

I smell gas

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Old 04-14-10, 07:26 PM
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charris
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Question I smell gas

I am getting a gas smell in the car while driving. I have smelled around under the hood but it doesn't seem to be coming from there. It actually seems to come from underneath the car and is stronger on the passenger side (I think). Anyone ever had this come up? Any ideas? Taking her to a mechanic tomorrow but would like some input from the club (especially anyone with experience).
Old 04-15-10, 12:09 AM
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VNN326
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lay off the beans.
Old 04-15-10, 12:13 AM
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YviE
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The only time I had a gas small in the car was when the fuel hose attached to the fuel rail had a leak. Note that this was on a Honda Prelude, not on a GS.

I can't give any advise other than checking the fuel hoses for leaks.
Old 04-15-10, 12:40 AM
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kped Gs430
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Default HMmm

I smell gas on my GS only when i floor it idk if that's normal though haha
Old 04-15-10, 08:00 AM
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Rob Daddy
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mine is from the charcoal canister located under the rear diff
Old 04-15-10, 08:22 AM
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charris
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What exactly does the charcoal canister do?
Is it located left, cent or right side of the car? Mine is at Goddyear now being looked at. I'd like to point them in the right direction.

I here a vacuum noise coming from under the hood like something is trying to pressurize from time to time especially at start up. Could this be due to the charcoal canister? I searched and found some info on different parts that could go bad. Any help will be appreciated.

Last edited by charris; 04-15-10 at 08:26 AM.
Old 04-15-10, 08:25 AM
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Rob Daddy
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this canister is located under car. it is supposed to absorb the fuel smell from the tank. sometimes it gets full & saturated with fuel causing it smell.
this usually comes from owners overfilling their cars.

the smell may be travelling from the rear to the front
Old 04-15-10, 08:51 AM
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Jherb350
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Originally Posted by Rob Daddy
this canister is located under car. it is supposed to absorb the fuel smell from the tank. sometimes it gets full & saturated with fuel causing it smell.
this usually comes from owners overfilling their cars.

the smell may be travelling from the rear to the front
I had this same issue on my SC400 after the autoshut didn't work and fuel spilled all over. As Rob said it's more then likely your charcoal filter.

At first I thought it was a fuel line as I smelled gas coming from under the car when I would get out, but I couldn't find any leaks. I did some research on here and found out it was more then likely the charcoal filter (which isn't cheap to replace) and left it at that. After a couple of weeks the smell went away.
Old 04-15-10, 08:55 AM
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Rob Daddy
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I am about to buy one & its about $550 for the part & the rear diff has to come out to replace it.

I gotta get the check engine light off though
Old 04-15-10, 09:00 AM
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charris
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Originally Posted by Rob Daddy
I am about to buy one & its about $550 for the part & the rear diff has to come out to replace it.

I gotta get the check engine light off though
I called the mech and asked them to check the canister. My check engine light isn't on though.

Does it take a while for the check engine light to come on if the canister is bad?
Old 04-15-10, 09:03 AM
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Rob Daddy
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it has always taken a while for the light to come back on after cleared.
it could be a day sometimes same day.
I am currently not driving it anymore until i get this and some other things resolved first.
Old 04-15-10, 09:30 AM
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Originally Posted by charris
I am getting a gas smell in the car while driving
sorry, excuse me. i farted.
Old 04-15-10, 10:24 AM
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charris
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Originally Posted by Rob Daddy
it has always taken a while for the light to come back on after cleared.
it could be a day sometimes same day.
I am currently not driving it anymore until i get this and some other things resolved first.
Rob,
Do you know the part # for the canister without having to go research it?
Old 04-15-10, 03:01 PM
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charris
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Would a bad or saturated charcoal canister cause my MPG to go down?
Old 04-23-10, 01:41 PM
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Default Figured it ou!t

Took the day off and went to the mechanic. We dropped the tank and found a hole from a screw. The screw was used to mount the router for the TV's the previous owner installed. I was looking into why they were not working a couple of weeks ago and must have disturbed the screw. Thats about the time I got the fuel smell and the mpg went downhill. We sealed it up with some JB weld. Since I got a better deal than I expected because I stayed with him all day, I'm having him install the lower ball joints and tie rods.

Today was a good day!

Last edited by charris; 04-24-10 at 05:19 AM.


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