Gas pump accuracy?
in [Toyota]
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From: sharx35 on 22 Jun 2007 23:18 <nm5k(a)wt.net> wrote in message news:1182561465.586059.254390(a)u2g2000hsc.googlegroups.com... > On Jun 22, 5:21 pm, "sharx35" <shar...(a)hotmail.com> wrote: >> "GO Mavs" <GoM...(a)MavvZ.com> wrote in message >> >> news:ogYei.1227$yN.942(a)trnddc07... >> >> >i usually top off.. add another dollar of gas to the car after the >> >automatic click.. >> >> That's what caused Engine Check light to come on in my 99 Camry--trying >> to >> get every last drop in caused P type error codes to activate the Engine >> Check Light. Once I stopped putting fuel in after the automatic gas pump >> cut >> off, I stopped getting those bogus engine check lights. >> > > They are not really bogus.. You probably had low flow, or something > along those lines. When you load the canister with gas, naturally > it's > partly clogged, but you can also clog vapor orifices, vapor valves > from canister > crud, etc.. If the light was on, it was not bogus. You had an evap > emissions > problem to some degree. But like mine, yours fixed itself due to > drying > out..:) > MK Agreed. I do stand corrected. Bogus, in the sense that it didn't require anything to be actually repaired and/or replaced!! > > >
From: Wickeddoll� on 22 Jun 2007 23:23 "sharx35" ... > > "Wickeddoll�" ... >>> good to know.. guess i wont be topping off anymore... >>> >>> >>> "Ray O" ... >>>> >>>> "GO Mavs" ... >>>>>i usually top off.. add another dollar of gas to the car after the >>>>>automatic click.. >>>> >>>> That is a bad habit to get in to. Besides the risk of spills, there >>>> is a chance, albeit small, that you can contaminate the charcoal >>>> canister from constant overfilling. When the pump clicks off, I just >>>> round up to the nearest nickel or dime. >>>> -- >>>> >>>> Ray O >> >> I never topped off, anyway. Seemed kind of obsessive-compulsive to me. >> >> Natalie >> > > Heh, heh, like *having* to get the last 1/4 inch in!! <<fwap>> <<fwap>> > > > Feh- who can feel a measly quarter inch?! Natalie
From: Ray O on 22 Jun 2007 23:06 " dbu,." <nsp(a)einp.com> wrote in message news:nsp-4835D6.18004922062007(a)comcast.dca.giganews.com... > In article <98ebf$467c5217$44a4a10d$12508(a)msgid.meganewsservers.com>, > "Ray O" <rokigawaATtristarassociatesDOTcom> wrote: > >> "GO Mavs" <GoMavs(a)MavvZ.com> wrote in message >> news:ogYei.1227$yN.942(a)trnddc07... >> >i usually top off.. add another dollar of gas to the car after the >> >automatic click.. >> >> That is a bad habit to get in to. Besides the risk of spills, there is >> a >> chance, albeit small, that you can contaminate the charcoal canister from >> constant overfilling. When the pump clicks off, I just round up to the >> nearest nickel or dime. > > GOOOOD advice Ray. I see so many trying to top it off and then > spilling, wasting fuel, not to mention the flash fire danger. There > ought to be a law...... I think it is illegal to top off in many locations, and many pumps have warnings not to top off... -- Ray O (correct punctuation to reply)
From: Ray O on 22 Jun 2007 23:10 <nm5k(a)wt.net> wrote in message news:1182561120.752303.200850(a)q75g2000hsh.googlegroups.com... > On Jun 22, 4:49 pm, "Ray O" <rokigawaATtristarassociatesDOTcom> wrote: >> "GO Mavs" <GoM...(a)MavvZ.com> wrote in message >> >> news:ogYei.1227$yN.942(a)trnddc07... >> >> >i usually top off.. add another dollar of gas to the car after the >> >automatic click.. >> >> That is a bad habit to get in to. Besides the risk of spills, there is >> a >> chance, albeit small, that you can contaminate the charcoal canister from >> constant overfilling. When the pump clicks off, I just round up to the >> nearest nickel or dime. >> -- >> >> Ray O >> (correct punctuation to reply) > > Yep. That happened to me 3 days after I got mine.. > Not on purpose though.. I was getting gas and the > cutoff didn't work right, and it spewed gas all out the > nozzle, side of the car, etc.. > Sure nuff, about a day or two later, and the OBD2 light > is going off.. Checked, and was evap emission problems.. > > - P0441 (Evaporative Emission Control System > Incorrect Purge Flow) > - P043E (Evaporative Emission System Reference Orifice > Clog Up) > - P043F (Evaporative Emission System Reference Orifice > High Flow) > - P2401 (Evaporative Emission System Leak Detection > Pump Control Circuit Low) > - P2402 (Evaporative Emission System Leak Detection Pump > Control Circuit High) > - P2419 (Evaporative Emission System Switching Valve > Control Circuit Low) > > Those were the exact codes on my particular car.. > I ended up not doing anything about it at that time, as > it didn't seem to effect runability or mpg. I assumed > I flooded the canister, which I'm pretty sure it did now. > It finally dried up, and I haven't had it go off in > about 7-8 weeks, and maybe 1500? miles later. > When it was first starting to dry out, the light would go > off for a while, then get irritable probably due to low > flow, and come back on for a while. Then finally it went > out, and has been out since. > So if anyone floods their canister, I'd wait a while to > see if it will dry up before doing anything about it.. > Mine fixed itself, but it took a couple of months.. > Also, the warmer temps of spring seemed to help > speed things up. > When I fill, I click off and very little more. I'm also very > careful not to get gas in either of the ports inside the > gas tank compartment. You can see them if you look > in there. > MK > Listen to Ray and you can avoid all sorts of problems ;-) BTW, most check engine light items will not noticeably affect drivability or MPG. If the light is flashing, turn off the engine and call for a tow. -- Ray O (correct punctuation to reply)
From: Ray O on 22 Jun 2007 23:20
"sharx35" <sharx35(a)hotmail.com> wrote in message news:BTYei.8758$tB5.3454(a)edtnps90... <snipped> >> This is a fact. It's because of the bladder inside the tank, primarily. >> It stretches or not to differing degrees, depending on a whole host of >> factors. The result is a bladder that takes more or less fuel each >> time, and virtually never the same amount--even filling from the same >> pump. >> > > Bladder? what the Hell is the point of a bladder inside a car gas tank? > Sounds like some bogus environmental feature mandated by the Communist > Republics of California or Massatwoshits. > Bladders are generally used in race cars so that the fuel does not spill if the tank is ruptured in a crash. In the case of the Prius, it is used to reduce the air space in the fuel to reduce evaporative emissions. Here is a good explanation and picture of the bladder: http://www.autoshop101.com/forms/Hybrid13.pdf -- Ray O (correct punctuation to reply) |