We may receive a commission on purchases made from links. We can't blame you for selecting the DIY route in cleaning the engine bay. Professional work can cost $100 to $400, which is quite a chunk of ...

THIS paper describes the background, operation, and results of a series of 50,000-mile low-duty service tests on motor oils. Comparisons of engine cleanliness and wear are presented in oils ranging ...

Many years ago I foolishly drove a car at least 25,000 miles without changing the oil. I guess I figured I’d wait until the red light on the dashboard lit up, and then I’d know I needed fresh oil.