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peggyryanAug 17, 2025
Why does my Toro GrandStand 74534 Lawn Mower engine lose power?
- DdavidsonchristopherAug 17, 2025
Your Toro Lawn Mower engine may lose power due to several reasons: * The engine load may be excessive; reduce the ground speed. * A dirty air cleaner can cause power loss; service the air cleaner. * Low oil level in the crankcase; add oil to the crankcase. * Blocked cooling fins and air passages under the engine blower housing; remove the obstruction. * A faulty spark plug that is pitted, fouled, or has an incorrect gap; install a new, correctly gapped spark plug. * A plugged vent hole in the fuel cap; clean or replace the fuel cap. * Dirt in the fuel filter; replace the fuel filter. * If the problem persists, there may be dirt, water, or stale fuel in the fuel system and you should contact an Authorized Service Dealer.
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