Q: I enjoy your magazine, but I missed the memo about replacing my fuel filter every 30,000 miles. To be honest, my C4 Corvette has over 90,000 miles on it and I have never replaced the fuel filter ...

The air filter setup on most diesels is the same as on gasoline-powered vehicles, with the filter located inside the cold air collector box located under the hood. You have to take one big precaution ...

Fuel-water separators have greater water-removal capabilities to better protect unit injectors, Caterpillar says, and deliver longer secondary fuel filter life. The separator removes 98 percent of ...