Three questions, three important maintenance lessons on this Saturday Q&A!

Allison asks: My engine oil needs topping up between oil changes-is that norma? We look at oil consumption in today's high - revving engines and where "normal" ends and a problem begins.

Dianne is finding dark engine oil underneath her vehicle. What could that leak mean, and what could that leak mean, and what can happen when petroleum - based fluids reach hot engine components or exhaust systems? A small leak can become a very expensive problem - and vehicle fires can have serious consequences.

April: Asks how often should we change our vehicle fluids? Manufacturer recommendations are a starting point, but if you own the vehicle and want it to last, regular fluid changes are part of being the care gi ...