At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...

Since the invention of the automobile, drivers have sought ways to make their cars more efficient and reliable. Today's cars are the best they've ever been, but they're still not the maintenance-free ...

Contaminants can tell you if you have any engine coolant leaking into the cylinders, and how well your engine air filter and oil filters are working. Second, you want to check your oil’s health, to ...