If additives are so great why doesn't the vehicle's manufacturer add them from the start?
Yes...water works really well
by replacing the bad gasket / seal
Yes, the fuel additives work by helping clean out the deposits left by carbon and ethanol.
They are both great gas stations but Circle K is a really good place because they do not have a bunch of additives in thier fuel. Once you put additives in your fuel it will clog injectors and mess with the motor.
White gas is really n-Hexane. No additives or detergents, just pure hydrocarbon. That is why it burns cleanly in a Coleman lantern or stove.
Walmart gas comes from the same place everyone gets their gas. The difference is in the additives. All major fuel suppliers use their trademark additives. Walmart may or may not add any additive.
The smell additives in gaseous and liquid, odorless fuels, are added to understand if there is a leak. Imagine you have a gas powered stove at your house. you come home fall asleep. You don't wake up the next morning, because of gas poisoning. This would be the case without the smelly additives, with them you know, somewhere is a gas-leak and call the gas service.
No, they are all a scam and do not work.
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Nothing. Fuel additives are best used in a time of need, not as a preventative measure. For every problem they solve, they create more.
octane boosters or fuel injector cleaner. You can buy octane booster from autozone from anywhere from 1.99 to 8.99 or 9.99 for the really good ones. Fuel injector cleaners you can find for around $4. Lucas is a really good product