MTD: For a Growing World.

Diagnose & Troubleshoot Self-Propelled Mowers

Select one of the symptoms below to find possible causes and common solutions

Common Symptoms:

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