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From: Patrick C on 14 Aug 2008 08:12
I wonder who thought that up. Judging from that logic it can't be that
critical. It also makes it difficult to troble shoot. Sounds like another
great idea like putting the canister behind the muffler.

From: aarcuda69062 on 14 Aug 2008 12:35
In article <RiVok.21505$N87.6329(a)nlpi068.nbdc.sbc.com>,
"Patrick C" <me(a)privacy.net> wrote:

> I wonder who thought that up.

SAE

Judging from that logic it can't be that
> critical.

Define critical. A .040" diameter EVAP leak is a bigger source of
pollution than what is coming from the tail pipe.

> It also makes it difficult to troble shoot.

Not really.

> Sounds like another
> great idea like putting the canister behind the muffler.

Close to the fuel tank where many other manufacturers put it?
From: nm5k on 14 Aug 2008 17:10
On Aug 12, 9:02 pm, BillyG <curiousbill2...(a)aol.com> wrote:
> On Aug 12, 9:16 am, "Patrick C" <m...(a)privacy.net> wrote:
>
> > Yes, I spent all of about $11 so far compared to the $80+ cost of the valve
> > but I enjoy trying to repair things myself and call outs from autozone for
> > the error code did mention gas cap, hose leaks, as well as the valve and
> > canister.
>
> My check engine light has not come back since clearing the P0441 code
> 5 days ago. I'd read overfilling tank can lead to this code that is
> something I frequently do so will run my car towards empty before
> refueling as long as the light stays off. I realize most of the time
> problems are more complicated but hopefully mine will prove to be more
> basic.

By overfilling, they mean running over so it spills into the little
vent holes near the gas filler.
As long as you don't overfill to the point gas is running out of the
filler, you should be ok.
IE: it's ok to top off pretty close to full, *as long* as you don't
actually slosh any fuel out so it can drain into the little holes.
I've actually had this happen on my 05 Corolla.. I overfilled the
tank by accident about 3 days after I bought the car.
The cut off on the gas hose didn't click off..
It took a good while for the overloaded canister to dry out,
but once it did, I've never had any more trouble.
I forgot how long it took on mine, but we are talking a few
weeks, not days.. I guess mine was really soaked..
At first the light would go out, then later relight..
After a while, it went out, and never came back on.
So if you have actually overfilled the tank, I would just
wait until it dries out before actually doing anything
about it. If you have never actually overfilled it, you
may have a defective part starting to act up.
Anyway, overfilling the tank to where it overflows
is one sure way to get that system to act up.
On the bright side, it will fix itself if given enough time.
Don't clear the light or puter codes. If it clears up, it
will turn off the light on it's own. Use the light to tell
you if it's acting up or not. If it clears up, the light
will eventually go out.
From: BillyG on 15 Aug 2008 23:26
On Aug 14, 5:10 pm, n...(a)wt.net wrote:
> On Aug 12, 9:02 pm, BillyG <curiousbill2...(a)aol.com> wrote:
>
> > On Aug 12, 9:16 am, "Patrick C" <m...(a)privacy.net> wrote:
>
> > > Yes, I spent all of about $11 so far compared to the $80+ cost of the valve
> > > but I enjoy trying to repair things myself and call outs from autozone for
> > > the error code did mention gas cap, hose leaks, as well as the valve and
> > > canister.
>
> > My check engine light has not come back since clearing the P0441 code
> > 5 days ago.  I'd read overfilling tank can lead to this code that is
> > something I frequently do so will run my car towards empty before
> > refueling as long as the light stays off.  I realize most of the time
> > problems are more complicated but hopefully mine will prove to be more
> > basic.
>
> By overfilling, they mean running over so it spills into the little
> vent holes near the gas filler.
> As long as you don't overfill to the point gas is running out of the
> filler, you should be ok.
> IE: it's ok to top off pretty close to full, *as long* as you don't
> actually slosh any fuel out so it can drain into the little holes.
> I've actually had this happen on my 05 Corolla.. I overfilled the
> tank by accident about 3 days after I bought the car.
> The cut off on the gas hose didn't click off..
> It took a good while for the overloaded canister to dry out,
> but once it did, I've never had any more trouble.
> I forgot how long it took on mine, but we are talking a few
> weeks, not days.. I guess mine was really soaked..
> At first the light would go out, then later relight..
> After a while, it went out,  and never came back on.
> So if you have actually overfilled the tank, I would just
> wait until it dries out before actually doing anything
> about it. If you have never actually overfilled it, you
> may have a defective part starting to act up.
> Anyway, overfilling the tank to where it overflows
> is one sure way to get that system to act up.
> On the bright side, it will fix itself if given enough time.
> Don't clear the light or puter codes. If it clears up, it
> will turn off the light on it's own. Use the light to tell
> you if it's acting up or not.  If it clears up, the light
> will eventually go out.

My check engine light has remained off since reset a week ago. I
haven't refilled since that time so hoping overfilling combined with a
weakening cap casket are the only problem.
From: BillyG on 16 Aug 2008 17:07
On Aug 12, 10:32 pm, "Jeff Strickland" <cr...(a)verizon.net> wrote:
> "BillyG" <curiousbill2...(a)aol.com> wrote in message
>
> news:3cf1d71c-aca0-4d80-81a4-8108834bb533(a)k30g2000hse.googlegroups.com...
> On Aug 12, 9:16 am, "Patrick C" <m...(a)privacy.net> wrote:
>
> > Yes, I spent all of about $11 so far compared to the $80+ cost of the
> > valve
> > but I enjoy trying to repair things myself and call outs from autozone for
> > the error code did mention gas cap, hose leaks, as well as the valve and
> > canister.
>
> My check engine light has not come back since clearing theP0441code
> 5 days ago.  I'd read overfilling tank can lead to this code that is
> something I frequently do so will run my car towards empty before
> refueling as long as the light stays off.  I realize most of the time
> problems are more complicated but hopefully mine will prove to be more
> basic.
>
> <JS>
> The Evaporative Emissions Control System includes the gas tank, filler
> hoses, and the plumbing that directs unused fuel and gasoline fumes back to
> the gas tank.
>
> ANY Evap System code should first be isolated away from the gas cap. Since
> you and your significant other spend in inordinate amount of time opening
> and closing the gas tank via the gas cap, AND the system is delicately
> balanced between a small pressure and a small vacuum AND the balance can be
> easily disrupted by a leak caused by the gas cap, AND this disruption can
> show up pretty much anywhere in the system, I always suggest isolating the
> User Errors from the stuff that can acutally break. This system is not a
> safety of flight item, so you can easily afford to adopt a wait-and-see
> attitude.
>
> Surely, there are lots of parts in the system that can fail but these all
> cost money to fix (well, a vacuum line can break off but this is a rare
> event, and if the gas cap is sealed well then the broken vac line will show
> up while you wait). The gas cap is free, if somebody failed to securely
> tighten it. I would not buy a new gas cap, but I'd wait a week or two to see
> if the gas cap being securely tightened will fix the problem.
>
> After that, I'd do what Ray says.

The engine code hasn't reset since I cleared it over a week ago.
Because I have a habit of filling the tank until fuel splashes back
and haven't refueled since clearing the codes hopefully by not over
filling the problem will be resolved.

I've assumed that the gas cap is properly threaded if it reaches a
point where it clicks when turned. Is that a correct assumption?
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