Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

It's easy to assume overheating is a result of long road trips or summer heatwaves, but when your engine gets too hot while idling, it's usually a sign of something deeper that needs immediate ...

Direct-port electronic fuel-injection may be the ultimate fuel metering system, but unfortunately it is also by far the most expensive. Presently available systems are based on factory electronic fuel ...

My 2007 Audi A5 3.0 TDI Quattro has started running cool. I have owned the car from new and up to last autumn (2013), the temperature gauge used to get up to 90c and stay there, now it registers ...