How to Test for Bad Spark Plugs: Simple Signs and Quick Checks
Learn how to test for bad spark plugs with simple signs like misfires, hard starts, and rough idling. Step-by-step guide to inspecting, checking gaps, and replacing plugs yourself.
Learn how to test for bad spark plugs with simple signs like misfires, hard starts, and rough idling. Step-by-step guide to inspecting, checking gaps, and replacing plugs yourself.