One problem related to engine head gasket failure has been reported for the 1996 Toyota Camry. The most recently reported issues are listed below.
Oil sludged at 77,000 miles after careful maintenance every 3,000 - 4,000 miles. Engine flushed, valve cover gasket replaced, etc. (my cost) and continued maintenance, now 89,000 engine is blow while on trip with 80 year old mother 400 miles away from home.