My 2009 TOYOTA Corolla, with just over 90,000 miles, has suffered "engine failure" (Toyota's official diagnosis). At the time of its failure I was driving on busy US Route 1 near Philadelphia, taking my mother, age 92, to her physician's office for an urgent appointment. Obviously, we never made it. Fortunately, the engine didn't lose its power while a tractor-trailor was on our tail.I was able to pull over without incident. My mother was frightened, but ultimately, she was okay.  Today, after more than two weeks since I'd had the vehicle towed to the service department of a local Toyota dealership--more than two weeks after mechanics there first examined it--that dealership informed me for the first time of the engine's "failure" and advised me that the only way that the vehicle would ever work again is with an entire new engine.  I phoned TOYOTA"S customer-service center. The representative informed me, emphatically, that while Toyota's dealership would be happy to install another engine (used), the cost of that engine and its installation would be my responsibility. TOYOTA 's cars, which I have owned and have driven exclusively, with a single exception, since 1982, should be manufactured to operate for more than five years and 90,000 miles. TOYOTA should stand by its loyal customers and, more important, take responsibility for its product's most fundamental component: its engine.  If not, as apparently is the case, Americans should boycott TOYOTA lest they find themselves after five years with an utterly useless automobile.  This company says that it takes pride in the resale value of its cars. After some 90,000 miles in five years, mine is worth nothing.  DON'T BUY TOYOTA!