General Motors’ 6.2-liter L87 V8 engine continues to create headaches for the Detroit automaker. Last year, it issued a recall for nearly 600,000 vehicles equipped with the engine. Then in January, the National Highway Traffic Safety Administration (NHTSA) began investigating the effectiveness of the remedy. Now, the agency is expanding its scope.
NHTSA announced yesterday it is opening an Engineering Analysis to continue investigating the remedy and will begin looking int engines produced after the production period cited in the recall. The new investigation includes the following vehicles:
