Why is the spark plug not working on my MTD mower?
Clean the carburetor For MTD mowers, the most common cause of fuel not getting to the spark plug is a clogged-up carburetor due to the buildup of debris. To fix the problem, clean up the carburetor by taking out the fuel bowl and spraying the carburetor with some carburetor cleaner.
Why is the gas not reaching the spark plug?
More powerful mowers, such as ride-along lawn mowers, make use of fuel pumps to pump gas into the engine – instead of the gravity-feeding system that’s common in most push-along mowers. If the filters are clogged, your lawn mower won’t start because gas will not reach the spark plug.
What to do when your engine has no spark?
Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. Finally, Have someone crank the engine and watch for spark. Remove one of the coils from the spark plug. Use an extra spark plug. A spark plug tester. Or even a screwdriver in the end of the coil.
Can a spark plug be pregapped for an engine?
Most spark plugs are pregapped, but the gap may not be correct for your engine application. If you can’t avoid a lot of idling or short trip driving, refer to the spark plug supplier’s catalog for a spark plug that is one heat range HOTTER than the standard spark plugs specified for your engine.
Clean the carburetor For MTD mowers, the most common cause of fuel not getting to the spark plug is a clogged-up carburetor due to the buildup of debris. To fix the problem, clean up the carburetor by taking out the fuel bowl and spraying the carburetor with some carburetor cleaner.
What happens when you have a spark plug problem?
Fuel Economy – If you’re tracking fuel economy, as everyone should, spark plug problems might cause your engine to consume more fuel than usual. As the ECM has no control over spark strength or oxygen content, it adds fuel to compensate for poor combustion. Misfire – A cylinder misfire occurs when the spark plug can’t ignite the air-fuel mixture.
Why does my engine not have a spark?
Be careful not to crank the engine for too long before checking the plug, or youøss risk overheating and possibly damage the starter motor. Whether the spark plug gapping is incorrect, the plug has gone bad, or it’s the wrong plug altogether for your engine, it may no longer be able to provide a spark.
Why is my lawn mower not getting gas to the spark plug?
Clogged filters in the fuel pump More powerful mowers, such as ride-along lawn mowers, make use of fuel pumps to pump gas into the engine – instead of the gravity-feeding system that’s common in most push-along mowers. If the filters are clogged, your lawn mower won’t start because gas will not reach the spark plug.