Ethanol In Gasoline Causing Hidden Damage To Engines - | Nashville News, Weather & Sports

Ethanol In Gasoline Causing Hidden Damage To Engines

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by Jason Lamb

NASHVILLE, Tenn. – From lawnmowers to cars, ethanol helps power many of the things we use each day, but the gasoline additive can cause damage if you're not careful.

The ethanol that's in most gasoline can do a number on some car engines, particularly older ones – eating away at the oxygen sensor and potentially causing damage to the catalytic converter.

Special fuel additives or ethanol-free gas stations can solve the problem, but car mechanics say it's something to be aware of.

The problem can also extend to lawn equipment.

"We have a lot of two-cycle weed eaters and blowers in here with messed up primer bulbs and messed up fuel lines," says Clay Robinson with Nashville Lawn Equipment.

Smaller engines are more likely to stop working because of ethanol in the gas that powers them, if left untreated. 

Robinson said the ethanol breaks down the fuel inside, and it's by far the most common reason a homeowner brings in a weed eater for repair.

Ethanol-free gas is about 40 cents per gallon more expensive than traditional gasoline.

You can also purchase a gasoline additive to eliminate the problems caused by ethanol for about $20 for a bottle. Each bottle treats up to 48 gallons of gas.


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