Toro 136-7870 Lawn Mower Ignition Coil Assembly

Toro 136-7870 Lawn Mower Ignition Coil Assembly supplies high-voltage current to the spark plug, supporting dependable engine ignition and reliable starting under normal operating conditions.

Common problems this part helps include:

• Spark plug receives no spark.

• Engine starts intermittently.

• Ignition wire becomes loose.

• Coil housing develops cracks.

• Engine loses ignition unexpectedly.

Spark Output Stops Completely

Quick Check: Verify spark presence using an approved spark tester.

Fix Suggestion: Fit a replacement ignition coil assembly if no spark is produced.

Prevention Tip: Keep ignition components dry during mower storage.

Engine Starts Intermittently

Quick Check: Attempt several engine starts and monitor ignition consistency.

Fix Suggestion: Replace the ignition coil when spark delivery becomes unreliable.

Prevention Tip: Check electrical connections before each mowing season.

Ignition Wire Comes Loose

Quick Check: Confirm the spark plug lead is firmly connected.

Fix Suggestion: Secure the ignition lead or replace the coil assembly if the connection is damaged.

Prevention Tip: Avoid pulling directly on the ignition wire during service.

Coil Housing Develops Cracks

Quick Check: Inspect the coil body for physical damage or splitting.

Fix Suggestion: Exchange the damaged coil assembly before ignition failure worsens.

Prevention Tip: Prevent impacts while servicing nearby engine components.

Customer Experience: One homeowner replaced the failing ignition coil after repeated starting issues and noticed that the engine fired consistently during every mowing session.