Porsche Recalling Panamera and Cayenne Over Fears that Turbochargers May Break

A number of Porsche Panamera sedan and Cayenne SUV Turbo models made it to the National Highway Traffic Safety Administration's (NHTSA) recall list because the turbine wheel of the turbocharger in those vehicles may fracture due to a casting defect.

"If the shaft fractures, oil may be drawn into the exhaust system, resulting in smoke and the increased risk of a fire," the safety agency said.

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