[AT] OT- Late model chevy truck question

[Steve W.]

That vent is actually connected under the hood to the charcoal canister.
Under the canister there is a filter that allows air to vent the tank.
They usually last a loonngg time. If you want to replace it about the
only place to find them is the dealer. The reason for the light is that
air bleeds by the gas cap enough to prevent the fuel tank from forming a
slight vacuum. The computer senses it and lights the light. If you want
to stop this easily, use a scrub pad to clean the tank neck, then put a
LIGHT coat of petroleum jelly on the gasket. That also keeps the gasket
pliable and able to seal.

Steve Williams
Near Cooperstown NY

"God grant us the serenity to accept the things we cannot change,
courage to change the things we can,and wisdom to know the difference."
----- Original Message ----- 
From: "Ralph Goff" <alfg at sasktel.net>
To: "Antique tractor email discussion group"
<at at lists.antique-tractor.com>
Sent: Thursday, December 16, 2004 1:28 PM
Subject: Re: [AT] OT- Late model chevy truck question


> I had the check engine light come on my 97 Blazer this summer but
everything
> was working fine with no sign of a problem. When I found out how much
it
> would cost to have it put on the analyzer I decided to just ignore it.
> After a few trips it went out and has not been a problem since. I've
heard
> that there is a small air filter/vent? just below the fuel filler door
that
> occasionally gets dusty and needs cleaning and this is what causes the
light
> to come on. Its on my list of things to check.
>
> Ralph in Sask.
> http://lgoff.sasktelwebsite.net/
>
> ----- Original Message -----
> From: Spencer Yost <yostsw at atis.net>
> To: <at at lists.antique-tractor.com>
> Sent: Thursday, December 16, 2004 7:42 AM
> Subject: Re: [AT] OT- Late model chevy truck question
>
>
> > My guess is you left the cap loose long enough to trip the check
engine
> > light and the check engine light does have to stay on a certain
amount of
> > time depending on the error(part of the standards and/or law???).
This is
> > to prevent people from resetting to computer right before they pull
in for
> > inspection.  Give it a few starts and about 25 miles or so and then
see if
> > it is still on.
> >
> > Spencer Yost
> > Owner, ATIS
> > Plow the Net!
> > http://www.atis.net
> >
> > *********** REPLY SEPARATOR  ***********
> >
> > On 12/16/2004 at 2:00 AM WF Smith wrote:
> >
> > >I have a 2005 Chevy pickup which is a story unto itself. Driving
down the
> > >interstate last weekend it tells me the gas cap is loose. I didn't
want
> to
> > >pull over so 150 miles later when I got off I tightened the cap,
which
> was
> > >right about the time the check engine light came on, and has stayed
on.
> > Can
> > >I reset this light by disconnecting the battery or do I have to pay
the
> > >dealer to plug it in and tell me I shoulda pulled over on the
interstate?
> > >This truck has 1600 miles on it and is perfect in every way except
that
> it
> > >isn't my 2001 F250 Super Duty.
> > >
> > >Thanks,
> > >Warren
> > >---
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