Q: In a recent column you responded to R.W. from Minnetonka, Minn., that he should not need spark plug replacement of the platinum tipped plugs until the manufacturer recommended 60,000 miles. One ...

Spark plugs are critical components of any gasoline engine, but since they ignite the compressed mixture of fuel and oxygen millions of times during their lifespan, they eventually cease to fire and ...

Learn how to use dielectric grease on spark plug boots to prevent voltage leaks and corrosion. Follow our guide to protect ...

Q: I have a question about my '96 Tahoe that I hope you can help me with. The check-engine light came on and my scanner pulled the codes for an engine miss in cylinders 4 and 6. I replaced the plugs, ...