Carbon monoxide and hydrocarbons are converted to harmless gases by catalytic converters and air injection emission control systems. However, there's a third pollutant in automobile exhaust that neither systems deal with.

If you hear a high-pitched squeak emanating from the front wheels while the car is in motion, it's probably a 'brake wear indicator' telling you it's time to replace your brake pads. Don't let this minor repair job turn into an expensive brake overhaul.

There can be many reasons why your car may fail to start. The most common cause of starting problems usually has to do with either the battery, the starter, or a combination of both.