Porsche Cars North America, Inc. (Porsche) is recalling certain 2010-2012 Panamera S, Panamera 4S and Panamera Turbo vehicles, 2011-2012 Panamera and Panamera 4 vehicles, and 2011 Cayenne S and Cayenne Turbo vehicles. The affected vehicles have camshaft controllers that may come loose inside the engine, potentially resulting in an engine stall.
Porsche will notify owners, and dealers will replace the fastening screws for the camshaft adjusters, free of charge. Interim notices informing owners of the safety risk were mailed August 4, 2017. Owners will receive a second notice when the remedy is available. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AH08.