Rick's Free Auto Repair Advice

Posts Tagged: fuel stabilizer

Fuel stabilizer — how it works

Fuel stabilizer — how it works Why does gasoline need fuel stabilizer? All gasoline goes bad when it’s exposed to the air, heat, and water. How does air get into your gas tank? All gas tanks have some amount or air at the top, even when full. As the engine pulls fuel from the tank, the gas cap lets in outside air to replace the depleted fuel. Otherwise the tank would collapse as its sucked dry. How does water get into your gas? All air contains moisture. As the air … Read More

Ethanol in gas

Can I run my lawn mower with ethanol in gas Ethanol in gas can pose problems if you don’t handle it correctly. Ethanol is added to gas so it can meet EPA standards for oxygenated gas to reduce CO emissions. The old oxygenate additive MTBE was found to be carcinogenic and, when it leaked from underground tanks, would pollute the water table. So gasoline suppliers switched to ethanol. Why is ethanol in gas? Ethanol adds more oxygen to the combustion process and it increases the octane level of the gasoline slightly. … Read More


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