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Valerie JonesSep 3, 2025
Why is my Simplicity Cobalt 2690479 Lawn Mower engine knocking?
- ZZoe VasquezSep 3, 2025
If your Simplicity Lawn Mower engine knocks, check and add oil as required if the oil level is low. If you are using the wrong grade of oil, consult the engine manual for the correct type.










