Monday morning, my neighbor and I planned on renting a machine to aerate our lawns. At 9 a.m. we drove over to Home Depot and they had several Classen CA-18 machines like the one pictured above in stock. The sales guy noticed the aerator we were renting was low on gas, filled the tank up with the last bit of gas they had on hand, then fired it up to show us how to start it.
When we got the aerator back to my yard it fired right up, but any time we tried to give it some more gas, it either died or sputtered badly. After about 15 minutes of letting it idle, then slowly easing off the choke and giving it more gas, it was running at full throttle but we couldn’t ease off the throttle without it dying. At this point we knew something was wrong, but we decided not to turn back.
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