[AT] Tractor hauler question.

Mon Aug 25 19:07:56 PDT 2008

Yes I'm aware that it's a very touchy system Steve.  I looked into it far 
enough to realize that whatever is causing mine to set a code is not really 
negatively affecting my truck or the atmosphere for that matter so I dropped 
the ball until I have the time and inclination to dig into it.

You are right, it has nothing to do with Farmers '83.  Farmer is a smart 
man.  If I had been smart I'd have spent the money part of the money I have 
in this 06 on fixing up my 89 and I wouldn't have this problem either.

Charlie

Charlie
----- Original Message ----- 
From: "Stephen Offiler" <soffiler at gmail.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Monday, August 25, 2008 6:42 PM
Subject: Re: [AT] Tractor hauler question.

> Charlie, since the advent of OBD-II ('96 for passenger cars, a bit
> later in some states for trucks over 8500lb gross) the evap systems
> have become more and more complex and the leak tolerance tighter and
> tighter.  They rate leakage by the relative size of the opening that
> would cause such a leak.  Used to be .040" but went down to .020" and
> I *THINK* it's all the way down to .010" now.
>
> My point:  it takes very little leakage on the evap system of a modern
> vehicle to set a code.  Some have special codes for a gross leak that
> usually indicates the gas cap - my '03 Ford Focus actually has a
> separate light beside the "check engine" light that is used just for a
> loose gas cap.
>
> Of course, this has NOTHING to do with farmer's 83...
>
> Steve O.
>
>
>
> On Mon, Aug 25, 2008 at 6:06 PM, charlie hill
> <charliehill at embarqmail.com> wrote:
>> My 06 GMC is setting a code for the evaporative system sensor now.  I
>> haven't gotten around to figuring out what it is yet.  Could be anything
>> from a bad gas cap to the canister to a filter or the sensor it's self. 
>> I
>> forgot the # of the code it's setting.  I'll have to re-check it to find
>> out.
>>
>> Charlie
>> ----- Original Message -----
>> From: "Bo" <mmc at suddenlink.net>
>> To: "Antique tractor email discussion group" 
>> <at at lists.antique-tractor.com>
>> Sent: Monday, August 25, 2008 5:52 PM
>> Subject: Re: [AT] Tractor hauler question.
>>
>>
>>>
>>> If I`m not mistaken , you probably have a charcol canister located under
>>> hood on left side ( drivers side )that is supposed to vent the tank . 
>>> Most
>>> folks has a tendcy to overfill the tank , damagging the filter which in
>>> turn causes the vacumn line going to the tank return to suck raw gas 
>>> into
>>> the engine .
>>> Pull off each line going to canister ( filter ) one at a time and check 
>>> to
>>> see if it has raw gas in it . This usuall works best right after being
>>> driven for 5 or 10 miles .
>>> My two cents worth.
>>> Bo Hinch
>>>
>>>
>>> ---- Richard Fink Sr <nancydick at pennswoods.net> wrote:
>>> If it is 83 with carb. it will have a vent on the tank small hose
>>> comes up and hooks to the frame. Has a small cap like on it. That is
>>> what is on my 83 with duel tanks.
>>> R Fink
>>>
>>>
>>>
>>>
>>> At 11:27 AM 8/25/2008 -0400, you wrote:
>>>
>>>>Farmer, is it a Carb or a throttle body injection? Fuel injection
>>>>often has presurized fuel tanks. If it is a carb, did the truck
>>>>come with a carb originally? I would tink that a carbureted engine
>>>>would use a fuel tank with a vent. Maybe the fuel system has been
>>>>altered since new. Also, make sure that the tank doesn't have a
>>>>vent that is clogged up. The vent may be in the cap or somewhere
>>>>else.> 11. Tractor hauler question. (Francis Robinson)> My old 1983
>>>>Ford F150 farm pickup (carbed 302 with auto/overdrive) that seldom
>>>>is driven more than a few miles at a time except when pulling the
>>>>gypsy wagon (usually hauling my CUB) uses a fair amount of fuel. Of
>>>>course even empty the gypsy wagon is a little like pulling a
>>>>parachute. The thing I noticed today was that it had a substantial
>>>>amount of pressure in the fuel tank when I stopped for gas today
>>>>coming home from Portland. I know that some of the later vehicles do
>>>>that but I thought that it was too old for that. I don't rec!
>>>>all my other 1983 (300-6) F150 ever doing that. I rarely stop for
>>>>gas on trips with it except at starting out for the day so I never
>>>>had occasion to notice it before. I was wondering if all of that
>>>>pressure was maybe pushing too much fuel past the float valve? It
>>>>seemed a lot higher than I had seen on other tanks with pressure
>>>>build-up. Is a high pressure normal on that age and configuration
>>>>or do I need a cap that is vented both directions? I'm!> not used
>>>>to this new fangled stuff... ;-)> farmer> > Francis Robinson>
>>>>Central Indiana USA> robinson46176 at hotmail.com
>>>>_________________________________________________________________
>>>>Get ideas on sharing photos from people like you. Find new ways to 
>>>>share.
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>>> --
>>> Bo ( Grumpy ) Hinch
>>> Sulphur,La
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