How do I know if my Briggs and Stratton coils are bad?

Replace the original wire with the in-line spark tester, and attempt to start the motor. Watch for the same intensity of a spark that you saw when the mower was cold, If there is little or no spark, the ignition coil is bad and needs replacement.

What are the symptoms of a bad coil on a small engine?

Usually a faulty ignition coil will produce a few symptoms that alert the driver of a potential issue.

Engine misfires, rough idle, and loss of power. One of the most common symptoms associated with a faulty ignition coil is engine performance issues.
Check Engine Light comes on.
Car is not starting.

Can I replace ignition coil myself?

You may see the ‘Service Engine’ light come on and the car might stall or not start at all. You can replace a failing ignition coil fairly easily at home, but remember that you’re dealing with high voltages so must disconnect your battery before you start.

What makes a lawn mower coil go bad?

The operating temperature of the engine gets to hot and burns the coil out. This is not real common on a small engine as usually the engine will shut down from heat before the coil will fail, but it is possible. Resistance problems. If the wrong spark plug is used, you can count on the coil failing.

What is the coil gap on Briggs and Stratton?

Replacing Ignition Coils or Armatures Your engine repair manual will provide the proper gap for your engine. Common armature gap ranges are . 006 – . 010″ and .

Do lawn mower coils go bad?

Your mower may have a bad coil, especially if you cannot re-start your mower while it is still hot. If you have to wait for the mower to cool to start it, you should probably replace the ignition coil.

Are all ignition coils the same?

Automotive Ignition Coils Come In A Wide Range Of Shapes, Sizes And Applications. The distinct differences between coil designs make identification of optional coils relatively simple for both the parts specialist and the technician.

How many ohms should a Briggs and Stratton coil have?

Learn How To Test A Briggs & Stratton Ignition Coil A working ignition coil will give a reading of between 2.5 – 5 k ohms. Set the positive lead of the multi-meter in position where the spark plug would usually insert – ensure it has made good contact.

Why is my lawn mower not getting spark?

If no spark appears, check for broken wires, shorts, grounds or a defective stop switch. Once you have confirmed that the stop switch is working, reconnect the spark plug lead.