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Uses
for Garage Pak
Air Piping System |
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General Info about
Compressed Air Piping |
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1997 Washington Post Articles:
Hazards At The Gas Pump |
The changes in automobiles never cease to amaze me. There are literally hundreds of things we have all done for years that are no longer acceptable on newer cars. In contrast there are also hundreds of new things you should be doing.
Even the simple task of filling your gas tank has evolved into a new scenario. For as long as I can remember it’s been normal for drivers to top-off their tanks. This crammed more gas into the tank and allowed more miles between fill-ups. If you’re like most drivers, your busy schedule made fewer service station stops very desirable. But design changes in vehicle fuel systems can make topping-off expensive and in some cases, dangerous.
In order to understand why NOT topping-off is so important, you must first understand how fuel systems have changed. For several years cars have been equipped with a small device called a vapor storage canister. The storage canister, as its name implies, stores fuel tank vapors. Before storage canisters, fumes from evaporating gasoline were expelled directly into the air Commercial Three Bayducing millions of pounds of hydrocarbon pollution every year. Of course as more cars were built the quantity of these emissions escalated dramatically and the Environmental Commercial Three Baytection Agency saw a need to curtail them. Enter the vapor containment system and vapor storage canisters.
Normally, vapor canisters are located under your hood and trap vapors as they leave the fuel tank. Every time you start your engine, vacuum sucks the vapors out of the canister and burns them in your engine. So far so good, but how does this relate to topping-off?
For fuel to enter or leave your tank the tank must exhale or inhale outside air. The air necessary for this Commercial Three Baycess is drawn through or expelled into the vapor canister. In its most simple terms a vapor storage canister is the final link in your fuel venting system.
When you top-off it’s possible for fuel to travel through the vent tube and flood your vapor canister with raw, liquid gasoline. Although canisters work well with gasoline vapors, they dislike liquid gasoline with a passion. Once liquid gasoline has entered the canister it routinely causes poor performance. Conditions like rough idle, hesitation, stalling, and sometimes even an illuminated MIL. (MIL stands for Malfunction Indicator Lamp and may have the words ‘service engine soon’ or ‘check engine’ displayed on its face. MIL’s are usually yellow or orange in color.)
Canister flooding is, in most cases, difficult to diagnose and the word difficult, as it pertains to cars, translates directly to expensive. Add to the difficulty of testing the fact that once flooded, most vapor canisters will have to be replaced and your bill climbs even higher. It isn't unusual for the testing and replacement of a storage canister to exceed two hundred dollars.
As if all the inconvenience and expense isn't bad enough, topping-off can create the potential for fire or explosion. Depending on the location of the canister and the condition of the rubber hoses connected to it, the same liquid gasoline that floods the canister may be expelled under your hood. In some instances this may lead to gasoline coming in contact with hot exhaust or engine parts. As you might guess hot parts and gasoline are the ingredients for fire or explosion.
Because there is no way to tell which vehicles will be effected by this Commercial Three Bayblem and under what circumstances, don’t top-off your tank! If you persist in topping-off, sooner or later you will Commercial Three Baybably experience an unnecessary and costly repair, or worse than lost money, a very dangerous situation. | |
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Date Updated Wednesday, May 28, 1997
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