Gas smell on 94 Camry

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Old 26 Apr 2006, 10:33 pm   #1 (permalink)
AG4QC
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Default Gas smell on 94 Camry

This all seems so simple.. But.. -- For over a year now, every once and a
while we smell raw gas towards the back of our Camry. But checking all over,
nothing seems to be leaking. Then the other day I found some inexpensive
gas and filled the tank for every last drop I could get in the tank. Then
the next morning I moved the car and noticed something dripping around the
middle of the drivers side, back door. I jacked up the car and sure enough
it was gas. There are a few rubber to metal hoses and the tank there. I put
my hand up above the bottom hoses to the top of the tank and the gas ran
down my arm. So I know the leak is above the bottom hoses, but where I have
no idea. So I called the dealer and brought it in the next morning. They put
it up on the lift and called me in the afternoon and asked me where it was
leaking? I drove back to the dealer and sure enough it was all dry and
didn't smell of gas. ( Dealer is about 30 miles away) The dealer said they
pulled out the back seat to look at the fuel pump and everything looked
fine. I asked what they thought and they said to not fill the tank so full.
Well, I guess so, but I can't believe there is a overflow that just dumps
raw gas if the tank is over full. I ask what it would cost to replace the
gas tank and associated hoses that could be the problem. They looked it all
over and said they need to drop the exhaust and that all the joints are
rusted and would probably all the exhaust would have to be replaced..
Anyway, adding all this up, it has a price tag of around $1500. After I
picked my jaw up from the floor, I told them I would have to think about it.

That was a month or so ago and we have been driving the car just fine and
have filled it up a few more time and no leaks. Sorry for such a long winded
post, but looking for suggestions. I think the bluebook for the car is
around the cost of the 'fix'.

Joe



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Old 27 Apr 2006, 07:04 am   #2 (permalink)
m Ransley
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Default Re: Gas smell on 94 Camry

I still cant figure out why people go to their "dealer" for repairs
when local mechanics usualy do jobs for half the price.
Id say for now just dont fill it till it leaks, but also look for a
mechanic that doesnt do what dealers do, jack up every price and job
they can.

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Old 27 Apr 2006, 07:56 am   #3 (permalink)
Daniel
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Default Re: Gas smell on 94 Camry

Your gas tank is part of a sealed system to comply with emissions
requirements.
Actually, what burns inside the engine is fuel vapor, and since
gasoline is volatile (evaporates easily) these vapors are controlled as
a component contributing to smog formation.
The way it is supposed to work, is that vapor from the fuel tank is
routed to a charcoal canister ($200-$300 to replace) that absorbs these
fuel vapors when the car is at rest, then there is a thermal vacuum
switch that routes the fuel vapors to the throttle body to be burned
when the car is running at normal operating temperature.
When you "fill every last drop" into the gas tank, liquid gets into the
recovery system designed to hold only vapors.
The dealer is right.
Just fill the tank until the automatic nozzle clicks off.
If your read the instructions at the gas filling station, they'll tell
you the same thing.

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Old 27 Apr 2006, 05:47 pm   #4 (permalink)
Bassplayer12
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Default Re: Gas smell on 94 Camry

I used to own a 93 4 cyl. Camry that had a gas leak. It smelled gas
sometimes, without any trace of a leak anywhere. Found out the crud
accumulating around and on the gas tank over time acts a a sponge. Had the
tank repaired. End of the smell and the leak.


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Old 27 Apr 2006, 06:49 pm   #5 (permalink)
Fotofreak
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Default Re: Gas smell on 94 Camry

On Wed, 26 Apr 2006 22:33:13 -0500, "AG4QC" <Joel@cyberbest.com>
wrote:

>This all seems so simple.. But.. -- For over a year now, every once and a
>while we smell raw gas towards the back of our Camry.


I had the same problem with my wife's '95 Camry. I made the "mistake"
of filling the tank to the very top and found the gas leaking rapidly
from the hose connection from the filler to the tank. I imagine that
in your case the gas is coming from the same place and "dries up" as
the level goes down -- unless you park on a hill.

Fotofreak

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Old 27 Apr 2006, 09:18 pm   #6 (permalink)
AG4QC
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Default Re: Gas smell on 94 Camry

You had the tank repaired? So there was a hole or?


"Bassplayer12" <perettij@nbnet.nb.ca> wrote in message
news:XRb4g.67312$VV4.1283352@ursa-nb00s0.nbnet.nb.ca...
>I used to own a 93 4 cyl. Camry that had a gas leak. It smelled gas
>sometimes, without any trace of a leak anywhere. Found out the crud
>accumulating around and on the gas tank over time acts a a sponge. Had the
>tank repaired. End of the smell and the leak.
>




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Old 28 Apr 2006, 05:16 am   #7 (permalink)
Bassplayer12
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Default Re: Gas smell on 94 Camry

The gas was sipping through the joints. They took it apart, cleaned and
coated the inside and put both halves back together. Whatever they used to
seal it, I don't know. So, no, it wasn't a hole, but it can happen and it is
not necessarily easy to find, because of the crud acting as a sponge.
It made a significant difference on gaz mileage.
If you have your tank repaired, have them look at the filler nock too.

"AG4QC" <Joel@cyberbest.com> wrote in message
news:1146190754.89@hosting.ispresults.com...
> You had the tank repaired? So there was a hole or?
>
>
> "Bassplayer12" <perettij@nbnet.nb.ca> wrote in message
> news:XRb4g.67312$VV4.1283352@ursa-nb00s0.nbnet.nb.ca...
>>I used to own a 93 4 cyl. Camry that had a gas leak. It smelled gas
>>sometimes, without any trace of a leak anywhere. Found out the crud
>>accumulating around and on the gas tank over time acts a a sponge. Had the
>>tank repaired. End of the smell and the leak.
>>

>
>
>
> -------------
> Get FREE newsgroup access from http://www.cheap56k.com
>



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Old 28 Apr 2006, 05:39 pm   #8 (permalink)
davidj92
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Default Re: Gas smell on 94 Camry

Fotofreak wrote:
snip
> I had the same problem with my wife's '95 Camry. I made the "mistake"
> of filling the tank to the very top and found the gas leaking rapidly
> from the hose connection from the filler to the tank. I imagine that
> in your case the gas is coming from the same place and "dries up" as
> the level goes down -- unless you park on a hill.
>
> Fotofreak


As Daniel pointed out though you still shouldn't fill a fuel tank to the
very top, just until the filler nozzle clicks off. (I usually restart the
nozzle on lowest setting after it clicks off the first time and quit when it
shuts off the second time). The scenario Daniel pointed out can also cause
raw fuel to enter the engine and due to being unmetered, cause problems to
spark plugs, O2 Sensors, catalytic converters and other possibles. I've seen
a few that would fall on their face when accelerating and the problem was
too much fuel.
HTH, Dave


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