How to check the ignition coil for a spark?

 How to check the ignition coil for a spark?

The engine dashboard light is on on my car. The engine vibrates and has a lack of power.

The diagnostic tool show the trouble code P0304.

It means that there are misfire on the cylinder number 4.

After having tested the charging circuit, I test the ignition coil on the defective cylinder with an ignition coil tester.

I show you how this tool works.

Since the ignition works well, I test the spark plug with a spark plug tester. The spark plug doesn't work.

So I replace it and check that the engine works well.

The dashboard light becomes off and there isn't trouble code anymore.

Ignition issues getting you down? A bad spark plug or bad ignition coil could be the culprit! Understanding the symptoms of bad spark plugs and ignition coils and diagnosing these problems are essential for smooth engine operation. Today, we're diving deep into the heart of your vehicle's ignition system, unpacking the mystery behind spark plugs and ignition coils, and providing hands-on advice on spotting and resolving common problems. Join Jake as he equips you with the skills and insights needed to ensure optimal spark plug and ignition coil performance. Whether you're a seasoned mechanic or just an enthusiastic car owner, we've got you covered!

 How to check the ignition coil for a spark?

The engine dashboard light is on on my car. The engine vibrates and has a lack of power.

The diagnostic tool show the trouble code P0304.

It means that there are misfire on the cylinder number 4.

After having tested the charging circuit, I test the ignition coil on the defective cylinder with an ignition coil tester.

I show you how this tool works.

Since the ignition works well, I test the spark plug with a spark plug tester. The spark plug doesn't work.

So I replace it and check that the engine works well.

The dashboard light becomes off and there isn't trouble code anymore.

Ignition issues getting you down? A bad spark plug or bad ignition coil could be the culprit! Understanding the symptoms of bad spark plugs and ignition coils and diagnosing these problems are essential for smooth engine operation. Today, we're diving deep into the heart of your vehicle's ignition system, unpacking the mystery behind spark plugs and ignition coils, and providing hands-on advice on spotting and resolving common problems. Join Jake as he equips you with the skills and insights needed to ensure optimal spark plug and ignition coil performance. Whether you're a seasoned mechanic or just an enthusiastic car owner, we've got you covered!