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Diagnose & TroubleshootPush Mowers
Select one of the symptoms below to find possible causes and common solutions for your MTD push mower.
Engine idles poorly
|Possible Causes||Corrective Actions|
1Spark plug is fouled, fault or gap is too wide
Replace spark plug or reset gap to proper setting.
Dirty air filter
Clean or replace air filter.
Carburetor is adjusted improperly
Adjust carburetor according to your engine manual.