One problem related to engine has been reported for the 1999 Oldsmobile 88. The most recently reported issues are listed below.
Service mechanic said this problem with crack in plenum has been seen before by him and heard of numerous times and probable factory defect. The crack in the plenum allowed coolant into the pistons of the engine and causing the engine to throw a rod. Mechanic advised us to notify NHTSA and general motors.