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.

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