What are the causes of spark plug fouling in your car? What other issues can lead to it, and how can you work to remedy or ...

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 ...

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 ...

Question: I have a 2003 Hyundai Sonata with the 2.7-litre V-6 engine and 170,000 kilometres on it. When idling in drive, it feels like the engine is randomly stumbling, one sharp stumble at a time. It ...