How to Manually Test a Spark Plug: A Comprehensive Guide for DIY Enthusiasts

Spark plugs are the unsung heroes of your internal combustion engine, responsible for igniting the air-fuel mixture that powers your vehicle. When these seemingly simple components falter, you can experience a range of performance issues, from rough idling and misfires to a noticeable drop in fuel efficiency. While modern vehicles often come with diagnostic tools, … Read more