When many of us think of the most reliable car brands on the market, Toyotas come to mind. As good as they are, even these durable vehicles can succumb to wear and tear without regular maintenance.

Q: We own a 2005 Toyota Camry with 27,000 miles. In October 2009 the car went into the Limp Home mode (Check Engine light on) for the first time. We had it towed to ...