Some of the recalled vehicles are no longer in production. The recall includes the 1998-1999 Oldsmobile Intrigue, the 1997-2003 Pontiac Grand Prix, 1997-2003 Buick Regal, and the 1998-2003 Chevrolet Lumina, Monte Carlo and Impala.
It involves vehicles with a 3.8-liter V6 engine. The government says drops of oil could fall into the exhaust system and cause a fire in the engine.
GM spokesman Kerry Christopher says it was a precautionary measure for consumers.
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