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Ask Donald Your Own Question
Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 2149
Experience:  I have 25+ years of experience repairing 2 & 4 cycle engines
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My lawn tractor was tipped on its side, so I filled it up

Customer Question

my lawn tractor was tipped on its side, so I filled it up again with oil, but the engine revs up and down while driving
Submitted: 2 years ago.
Category: Small Engine
Expert:  Donald replied 2 years ago.

Hello, and thank you for choosing Just Answer. My name is***** will be happy to assist you.

Expert:  Donald replied 2 years ago.

Did your air filter get saturated with oil? Does your engine rev up and down when you are not driving your mower? We can continue from here. Thanks!

Customer: replied 2 years ago.
it revs up and down while driving
Customer: replied 2 years ago.
how do i clean air filter
Expert:  Donald replied 2 years ago.

Thank you for this information. The revving up and down is due to your carburetor starving for gas. There may have been some sediments in the bottom of your fuel bowl, that dislodged, and partially clogged one of your small jets or fuel passages inside your carburetor. We can continue from here. Thanks!