Car repair and maintenance is essential to the safe, efficient operation of your vehicle. Don't skimp or delay on important work that needs to be done. But, be aware that some of the work your mechanic suggests, or that you do just because you've always done it, maybe a waste of money. Here are a few examples of car repairs and maintenance on which you might be wasting money.

Leaking oil from the exhaust is the usual cause of blue, white, or black smoke from a lawn mower. Learn to assess and fix a sputtering, smoking lawn mower.