One problem related to car stall has been reported for the 1998 Toyota Avalon. The most recently reported issues are listed below.
Toyota Avalon 1998 stalling while at highway speeds. Toyota Avalon 1998 stalling at traffic lights and stop signs. January 29, 2007 nearly involved in a broad-side accident when car stalled beginning to enter roadway, oncoming traffic had to swerve around narrowing avoiding a collision. This is a problem with Avalons and camrys that is well-documented by other owners on the internet. Dealership replaced air fuel sensor on January 19, 2007, car stalled again the very next day on highway. The car is now back in the shop as of January 31, 2007, with dealer unable to diagnose problem. There have been many incidents over the last several months that seem to be escalating. Unsafe vehicle to drive as it will cut off in the middle of the highway going 65 miles an hour without warning. Car has less than 40,00 miles on it.