How to fix ignition coil misfire. Plug in a code scanner under the dashboard on the drivers side to help you narrow down what the issue is. The second most common cause of a misfire is bad spark plugs. This video shows the simplest way to find the problem u.
1 is misfiring replace all the spark plugs at the same time. Older cars have a distributor and in some cases also an ignition coil. If you have separated spark plugs unplug each coil to see if you can find out if any cylinders are not responding.
Since a faulty ignition coil causes a misfire it will also cause the related spark plugs to foul. Replace if you find one faulty or have a trouble code stored for one ignition coil. Youll just need a couple of basic tools to get started and our how to guide.
Even if the code reader shows only cylinder no. If you have mechanical experience you might be able to fix an engine misfire at home. On the other hand be mindful of the fact that some spark plugs now have a service life of about 80 to 100000 miles.
In case youre not familiar with this infamous issue the fix is to replace all the ignition coils and the pcm which requires reprogramming the pcm which in turn requires two original ignition keys to reprogramreboot the anti theft system. If any codes pop up on the scanner write them down then cross reference them with your cars manual to see what the problem is.
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